a-a a-c aaa aac aah aao aar aas aay ac- aca acc ach aco acr acs acy aha ahc ahh aho ahr ahs ahy aoa aoc aoh aoo aor aos ar- ara arc arh aro arr ars ary as- asa asc ash aso asr ass asy ay- aya ayc ayh ayo ayr ays c-- caa cac cah cao car cas cay cca ccc cch cco ccr ccs ch- cha chc chh cho chr chs chy co- coa coc coh coo cor cos coy cra crc crh cro crr crs cry csa csc csh cso csr css csy cya cyc cyo cyr cys haa hac hah hao har has hay hca hcc hch hco hcr hcs hcy hha hhc hhh hho hhr hhs hhy hoa hoc hoh hoo hor hos hoy hr- hra hrc hrh hro hrr hrs hsa hsc hsh hsr hss hsy hy- hya hyc hyh hyo hyr hys hyy oaa oac oah oao oar oas oc- oca occ och oco ocr ocs oha ohc ohh oho ohr ohs oo- ooa ooc ooh ooo oor oos or- ora orc orh oro orr ors ory os- osa osc osh oso osr oss oya oyo oys ra- raa rac rah rao rar ras ray rca rcc rch rco rcr rcs rh- rha rhc rhh rho rhr rhs roa roc roh roo ror ros roy rra rrc rrh rrr rrs rsa rsc rsh rso rsr rss ry- rya ryc ryo ryr rys ryy saa sac sah sao sar sas say sca scc sch sco scr scs sh- sha shc shh sho shr shs shy soa soc soh soo sor sos soy sr- sra src srh sro srr srs sry ss- ssa ssc ssh sso ssr sss sy- sya syc syh syr sys yaa yac yah yao yar yas yay yca ycc ych yco ycs ycy yha yhc yhs yoc yoo yor yos yoy yra yrc yro yrs ysa ysc yso ysr yss ysy yyc yys yyy