a-a a-c aaa aac aak aam aao aay ac- aca acc ack acm aco acy aka akc akk akm ako ama amc amk amm amo amy aoa aoc aok aom aoo ay- aya ayc ayk ayo c-- caa cac cak cam cao cay cca ccc cck ccm cco cka ckc ckm cko cky cma cmc cmk cmm cmo cmy co- coa coc cok com coo coy cya cyc cyk cym cyo ka- kaa kac kak kam kao kay kca kcc kck kcm kkc kkk kkm kky kma kmc kmk kmm kmo koa koc kok kom koo koy kya kyc kym kyo m-o maa mac mak mam mao may mc- mca mcc mck mcm mco mka mkc mkk mkm mko mky mma mmc mmk mmm mmo moa moc mok mom moo moy my- mya myc myk mym myo oaa oac oak oam oao oc- oca occ ock ocm oco oka okc okk oko om- oma omc omm omo omy oo- ooa ooc ook oom ooo oya oyo yaa yac yak yam yao yay yca ycc yco ycy yka ykk ykm yma ymc ymm ymo yoc yok yom yoo yoy yyc yyy