a-a a-c aaa aac aad aah aao aau ac- aca acc acd ach aco acu ad- ada adc add adh ado adu aha ahc ahd ahh aho ahu aoa aoc aod aoh aoo aou au- aua auc aud auh auo c-- caa cac cad cah cao cau cca ccc ccd cch cco ccu cda cdc cdd cdh cdo cdu ch- cha chc chd chh cho chu co- coa coc cod coh coo cou cua cuc cud cuh cuo cuu daa dac dad dah dao dau dca dcc dcd dco dcu dda ddc ddd ddh ddo ddu dh- dha dhc dhd dhh dho dhu doa doc dod doh doo dou dua duc dud duh duo haa hac had hah hao hau hca hcc hcd hch hco hda hdc hdd hdh hdo hdu hha hhc hhd hhh hho hhu hoa hoc hod hoh hoo hou hua huc hud huh huo huu oaa oac oad oah oao oau oc- oca occ ocd och oco ocu oda odc odd odh odo odu oha ohc ohd ohh oho ohu oo- ooa ooc ood ooh ooo ou- oua ouc oud ouh ouo ua- uaa uac uad uah uao uau uca ucc ucd uch uco ucu uda udc udd udo udu uha uhc uhd uhh uho uhu uoa uoc uod uoo uua uuc uuu