a-a a-c aaa aac aah aao aas aay ac- aca acc ach aco acs acy aha ahc ahh aho ahs ahy aoa aoc aoh aoo aos as- asa asc ash aso ass asy ay- aya ayc ayh ayo ays c-- caa cac cah cao cas cay cca ccc cch cco ccs ch- cha chc chh cho chs chy co- coa coc coh coo cos coy csa csc csh cso css csy cya cyc cyo cys haa hac hah hao has hay hca hcc hch hco hcs hcy hha hhc hhh hho hhs hhy hoa hoc hoh hoo hos hoy hsa hsc hsh hss hsy hy- hya hyc hyh hyo hys hyy oaa oac oah oao oas oc- oca occ och oco ocs oha ohc ohh oho ohs oo- ooa ooc ooh ooo oos os- osa osc osh oso oss oya oyo oys saa sac sah sao sas say sca scc sch sco scs sh- sha shc shh sho shs shy soa soc soh soo sos soy ss- ssa ssc ssh sso sss sy- sya syc syh sys yaa yac yah yao yas yay yca ycc ych yco ycs ycy yha yhc yhs yoc yoo yos yoy ysa ysc yso yss ysy yyc yys yyy