a-a a-c a-z aaa aac aad aah aao aaz ac- aca acc acd ach aco acz ad- ada adc add adh ado adz aha ahc ahd ahh aho ahz aoa aoc aod aoh aoo az- aza azd azo azz c-- caa cac cad cah cao caz cca ccc ccd cch cco ccz cda cdc cdd cdh cdo cdz ch- cha chc chd chh cho chz co- coa coc cod coh coo coz cz- czc czd czo daa dac dad dah dao daz dca dcc dcd dco dda ddc ddd ddh ddo ddz dh- dha dhc dhd dhh dho doa doc dod doh doo doz dza dzd dzo haa hac had hah hao haz hca hcc hcd hch hco hda hdc hdd hdh hdo hdz hha hhc hhd hhh hho hhz hoa hoc hod hoh hoo hzd hzo oaa oac oad oah oao oc- oca occ ocd och oco ocz oda odc odd odh odo oha ohc ohd ohh oho oo- ooa ooc ood ooh ooo oza ozo ozz zaa zac zad zah zao zaz zco zha zhc zho zo- zoa zoc zod zoo zzz