YN           {1: Yes No}
MFB          {2: Not used}
SBGA         {3: Not used}
?ABCEFGLMNPR {4: Main Menu, part 1}
SUWXDO       {5: Main Menu, part 2}
?ABCNOPQTWIL {6: Chat Lounge}
?/BPQWX      {7: Open Forum}
?NQMUD       {8: (Misc) New Quit Menu Upload Download}
?LSQDU       {9: Library & Database}
?AEHLRSXD    {10: Send mail}
?BDRS        {11: Read mail}
?ABDPHQRN    {12: Public mail}
YNCQ         {13: Page stops}
?QME12345    {14: Reanswer questionnaire}
?QAXYG       {15: Protocols}
