a-a a-c a-z aaa aac aah aak aao aaz ac- aca acc ach ack aco acz aha ahc ahh ahk aho ahz aka akc akh akk ako aoa aoc aoh aok aoo az- aza azo azz c-- caa cac cah cak cao caz cca ccc cch cck cco ccz ch- cha chc chh chk cho chz cka ckc ckh cko co- coa coc coh cok coo coz cz- czc czk czo haa hac hah hak hao haz hca hcc hch hck hco hha hhc hhh hhk hho hhz hka hkh hkk hko hoa hoc hoh hok hoo hzo k-z ka- kaa kac kah kak kao kaz kca kcc kch kck kha khh khk kho khz kkc kkh kkk koa koc koh kok koo koz kzo oaa oac oah oak oao oc- oca occ och ock oco ocz oha ohc ohh oho oka okc okk oko oo- ooa ooc ooh ook ooo oza ozo ozz zaa zac zah zak zao zaz zco zha zhc zho zka zo- zoa zoc zok zoo zzz