a-a a-c aaa aac aad aah aao aay ac- aca acc acd ach aco acy ad- ada adc add adh ado ady aha ahc ahd ahh aho ahy aoa aoc aod aoh aoo ay- aya ayc ayd ayh ayo c-- caa cac cad cah cao cay cca ccc ccd cch cco cda cdc cdd cdh cdo cdy ch- cha chc chd chh cho chy co- coa coc cod coh coo coy cya cyc cyd cyo daa dac dad dah dao day dca dcc dcd dco dda ddc ddd ddh ddo ddy dh- dha dhc dhd dhh dho doa doc dod doh doo doy dy- dya dyc dyd dyo dyy haa hac had hah hao hay hca hcc hcd hch hco hcy hda hdc hdd hdh hdo hdy hha hhc hhd hhh hho hhy hoa hoc hod hoh hoo hoy hy- hya hyc hyd hyh hyo hyy oaa oac oad oah oao oc- oca occ ocd och oco oda odc odd odh odo oha ohc ohd ohh oho oo- ooa ooc ood ooh ooo oya oyd oyo yaa yac yad yah yao yay yca ycc ycd ych yco ycy yda ydo ydy yha yhc yoc yod yoo yoy yyc yyy