VNI Character Sets

        VNI      VNI       VNI      VNI
        ASCII    ANSI      Mac      Internet Mail
        DOS      Win/Unix  Mac      Win/Unix/Mac
        
Char    Decimal  Decimal   Decimal  Decimal      Desc. Name

AÙ       94       65,217    65,244   65,39        A acute
AØ       96       65,216    65,175   65,96        A grave
AÛ       124      65,219    65,243   65,123       A hook-above
AÕ       125      65,213    65,205   65,126       A tilde
AÏ       126      65,207    65,236   65,125       A dot-below
AÊ       252      65,202    65,230   65,124       A breve
AÉ       176      65,201    65,131   65,124,39    A breve acute
AÈ       177      65,200    65,233   65,124,96    A breve grave   
AÚ       178      65,218    65,242   65,124,123   A breve hook-above
AÜ       179      65,220    65,134   65,124,126   A breve tilde
AË       123      65,203    65,232   65,124,125   A breve dot-below
AÂ       253      65,194    65,229   65,94        A circumflex
AÁ       128      65,193    65,231   65,94,39     A circumflex acute
AÀ       135      65,192    65,203   65,94,96     A circumflex grave
AÅ       140      65,197    65,129   65,94,123    A circumflex hook-above
AÃ       144      65,195    65,204   65,94,126    A circumflex tilde
AÄ       175      65,196    65,128   65,94,125    A circumflex dot-below
Ñ        174      209       132      68,95        D bar
EÙ       180      69,217    69,244   69,39        E acute
EØ       181      69,216    69,175   69,96        E grave
EÛ       182      69,219    69,243   69,123       E hook-above
EÕ       183      69,213    69,205   69,126       E tilde
EÏ       184      69,207    69,236   69,125       E dot-below
EÂ       254      69,194    69,229   69,94        E circumflex
EÁ       185      69,193    69,231   69,94,39     E circumflex acute
EÀ       186      69,192    69,203   69,94,96     E circumflex grave
EÅ       187      69,197    69,129   69,94,123    E circumflex hook-above
EÃ       188      69,195    69,204   69,94,126    E circumflex tilde
EÄ       189      69,196    69,128   69,94,125    E circumflex dot-below
Í        190      205       234      73,39        I acute 
Ì        191      204       237      73,96        I grave
Æ        192      198       174      73,123       I hook-above
Ó        193      211       238      73,126       I tilde
Ò        194      210       241      73,125       I dot-below
OÙ       195      79,217    79,244   79,39        O acute
OØ       196      79,216    79,175   79,96        O grave
OÛ       197      79,219    79,243   79,123       O hook-above
OÕ       198      79,213    79,205   79,126       O tilde
OÏ       199      79,207    79,236   79,125       O dot-below
OÂ       249      79,194    79,229   79,94        O circumflex
OÁ       200      79,193    79,231   79,94,39     O circumflex acute
OÀ       201      79,192    79,203   79,94,96     O circumflex grave
OÅ       202      79,197    79,129   79,94,123    O circumflex hook-above
OÃ       203      79,195    79,204   79,94,126    O circumflex tilde
OÄ       204      79,196    79,128   79,94,125    O circumflex dot-below
Ô        250      212       239      79,42        O horn
ÔÙ       205      212,217   239,244  79,42,39     O horn acute
ÔØ       206      212,216   239,175  79,42,96     O horn grave
ÔÛ       207      212,219   239,243  79,42,123    O horn hook-above
ÔÕ       208      212,213   239,205  79,42,126    O horn tilde
ÔÏ       209      212,207   239,236  79,42,125    O horn dot-below
UÙ       210      85,217    85,244   85,39        U acute
UØ       211      85,216    85,175   85,96        U grave
UÛ       212      85,219    85,243   85,123       U hook-above
UÕ       213      85,213    85,205   85,126       U tilde
UÏ       214      85,207    85,236   85,125       U dot-below
Ö        251      214       133      85,42        U horn
ÖÙ       215      214,217   133,244  85,42,39     U horn acute
ÖØ       216      214,216   133,175  85,42,96     U horn grave
ÖÛ       217      214,219   133,243  85,42,123    U horn hook-above
ÖÕ       218      214,213   133,205  85,42,126    U horn tilde
ÖÏ       219      214,207   133,236  85,42,125    U horn dot-below
YÙ       220      89,217    89,244   89,39        Y acute
YØ       221      89,216    89,175   89,96        Y grave
YÛ       222      89,219    89,243   89,123       Y hook-above
YÕ       223      89,213    89,205   89,126       Y tilde
Î        64       89,207    89,236   89,125       Y dot-below
aù       255      97,249    97,157   97,39        a acute         
aø       133      97,248    97,191   97,96        a grave
aû       224      97,251    97,158   97,123       a hook-above
aõ       225      97,245    97,155   97,126       a tilde
aï       226      97,239    97,149   97,125       a dot-below
aê       232      97,234    97,144   97,124       a breve
aé       233      97,233    97,142   97,124,39    a breve acute
aè       234      97,232    97,143   97,124,96    a breve grave
aú       235      97,250    97,156   97,124,123   a breve hook-above
aü       236      97,252    97,159   97,124,126   a breve tilde
aë       237      97,235    97,145   97,124,125   a breve dot-below
aâ       131      97,226    97,137   97,94        a circumflex
aá       227      97,225    97,135   97,94,39     a circumflex acute
aà       228      97,224    97,136   97,94,96     a circumflex grave
aå       229      97,229    97,140   97,94,123    a circumflex hook-above
aã       230      97,227    97,139   97,94,126    a circumflex tilde
aä       231      97,228    97,138   97,94,125    a circumflex dot-below
ñ        173      241       150      100,95       d bar
eù       130      101,249   101,157  101,39       e acute
eø       138      101,248   101,191  101,96       e grave
eû       129      101,251   101,158  101,123      e hook-above
eõ       132      101,245   101,155  101,126      e tilde
eï       134      101,239   101,149  101,125      e dot-below
eâ       136      101,226   101,137  101,94       e circumflex
eá       137      101,225   101,135  101,94,39    e circumflex acute
eà       139      101,224   101,136  101,94,96    e circumflex grave
eå       142      101,229   101,140  101,94,123   e circumflex hook-above
eã       143      101,227   101,139  101,94,126   e circumflex tilde
eä       172      101,228   101,138  101,94,125   e circumflex dot-below
í        161      237       146      105,39       i acute
ì        141      236       147      105,96       i grave
æ        169      230       190      105,123      i hook-above
ó        170      243       151      105,126      i tilde
ò        171      242       152      105,125      i dot-below
où       162      111,249   111,157  111,39       o acute
oø       149      111,248   111,191  111,96       o grave
oû       145      111,251   111,158  111,123      o hook-above
oõ       146      111,245   111,155  111,126      o tilde
oï       148      111,239   111,149  111,125      o dot-below
oâ       147      111,226   111,137  111,94       o circumflex
oá       150      111,225   111,135  111,94,39    o circumflex acute
oà       152      111,224   111,136  111,94,96    o circumflex grave
oå       153      111,229   111,140  111,94,123   o circumflex hook-above
oã       154      111,227   111,139  111,94,126   o circumflex tilde      
oä       155      111,228   111,138  111,94,125   o circumflex dot-below
ô        243      244       153      111,42       o horn
ôù       244      244,249   153,157  111,42,39    o horn acute
ôø       245      244,248   153,191  111,42,96    o horn grave
ôû       246      244,251   153,158  111,42,123   o horn hook-above
ôõ       247      244,245   153,155  111,42,126   o horn tilde
ôï       248      244,239   153,149  111,42,125   o horn dot-below
uù       163      117,249   117,157  117,39       u acute
uø       151      117,248   117,191  117,96       u grave
uû       156      117,251   117,158  117,123      u hook-above
uõ       157      117,245   117,155  117,126      u tilde
uï       158      117,239   117,149  117,125      u dot-below
ö        159      246       154      117,42       u horn
öù       164      246,249   154,157  117,42,39    u horn acute
öø       165      246,248   154,191  117,42,96    u horn grave
öû       166      246,251   154,158  117,42,123   u horn hook-above
öõ       167      246,245   154,155  117,42,126   u horn tilde
öï       168      246,239   154,149  117,42,125   u horn dot-below
yù       238      121,249   121,157  121,39       y acute
yø       239      121,248   121,191  121,96       y grave
yû       240      121,251   121,158  121,123      y hook-above
yõ       241      121,245   121,155  121,126      y tilde
î        242      121,239   121,149  121,125      y dot-below

Excerpted from http://vnisoft.com/english/vnichar.htm