a-a a-c aaa aac aag aah aak aao aay ac- aca acc acg ach ack aco acy ag- aga agc agg agh agk ago agy aha ahc ahg ahh ahk aho ahy aka akc akg akh akk ako aoa aoc aog aoh aok aoo ay- aya ayc ayh ayk ayo c-- caa cac cag cah cak cao cay cca ccc ccg cch cck cco cga cgc cgg cgh cgo cgy ch- cha chc chg chh chk cho chy cka ckc ckh cko cky co- coa coc cog coh cok coo coy cya cyc cyg cyk cyo gaa gac gag gah gak gao gay gca gcc gcg gch gck gco gga ggc ggg ggh ggo gha ghc ghg ghh gho gka gkh gko goa goc gog goh gok goo goy gy- gya gyo haa hac hag hah hak hao hay hca hcc hcg hch hck hco hcy hga hgc hgg hgh hgk hgo hgy hha hhc hhg hhh hhk hho hhy hka hkg hkh hkk hko hoa hoc hog hoh hok hoo hoy hy- hya hyc hyg hyh hyo hyy ka- kaa kac kag kah kak kao kay kca kcc kcg kch kck kga kgc kgh kgo kgy kha khh khk kho kkc kkh kkk kky koa koc kog koh kok koo koy kya kyc kyo oaa oac oag oah oak oao oc- oca occ ocg och ock oco oga ogc ogg ogh ogo ogy oha ohc ohg ohh oho oka okc okg okk oko oo- ooa ooc oog ooh ook ooo oya oyo yaa yac yag yah yak yao yay yca ycc ych yco ycy yga ygc ygo yha yhc yka ykk yoc yog yok yoo yoy yyc yyg yyy