a-a a-c aaa aac aah aak aao aas aay ac- aca acc ach ack aco acs acy aha ahc ahh ahk aho ahs ahy aka akc akh akk ako aks aoa aoc aoh aok aoo aos as- asa asc ash ask aso ass asy ay- aya ayc ayh ayk ayo ays c-- caa cac cah cak cao cas cay cca ccc cch cck cco ccs ch- cha chc chh chk cho chs chy cka ckc ckh cko cks cky co- coa coc coh cok coo cos coy csa csc csh csk cso css csy cya cyc cyk cyo cys haa hac hah hak hao has hay hca hcc hch hck hco hcs hcy hha hhc hhh hhk hho hhs hhy hka hkh hkk hko hks hoa hoc hoh hok hoo hos hoy hsa hsc hsh hsk hss hsy hy- hya hyc hyh hyo hys hyy ka- kaa kac kah kak kao kas kay kca kcc kch kck kcs kha khh khk kho khs kkc kkh kkk kks kky koa koc koh kok koo kos koy ksa ksc ksh ksk kso kss kya kyc kyo kys oaa oac oah oak oao oas oc- oca occ och ock oco ocs oha ohc ohh oho ohs oka okc okk oko oks oo- ooa ooc ooh ook ooo oos os- osa osc osh osk oso oss oya oyo oys saa sac sah sak sao sas say sca scc sch sck sco scs sh- sha shc shh shk sho shs shy sk- ska skc skh skk sko sks sky soa soc soh sok soo sos soy ss- ssa ssc ssh ssk sso sss sy- sya syc syh syk sys yaa yac yah yak yao yas yay yca ycc ych yco ycs ycy yha yhc yhs yka ykk yoc yok yoo yos yoy ysa ysc ysk yso yss ysy yyc yys yyy