a-a a-c aaa aac aah aas aay ac- aca acc ach acs acy aha ahc ahh ahs ahy as- asa asc ash ass asy ay- aya ayc ayh ays c-- caa cac cah cas cay cca ccc cch ccs ch- cha chc chh chs chy csa csc csh css csy cya cyc cys haa hac hah has hay hca hcc hch hcs hcy hha hhc hhh hhs hhy hsa hsc hsh hss hsy hy- hya hyc hyh hys hyy saa sac sah sas say sca scc sch scs sh- sha shc shh shs shy ss- ssa ssc ssh sss sy- sya syc syh sys yaa yac yah yas yay yca ycc ych ycs ycy yha yhc yhs ysa ysc yss ysy yyc yys yyy