-th a-a a-c a-t aaa aac aah aas aat aay ac- aca acc ach acs act acy aha ahc ahh ahs aht ahy as- asa asc ash ass ast asy at- ata atc ath ats att ay- aya ayc ayh ays ayt c-- caa cac cah cas cat cay cca ccc cch ccs cct ch- cha chc chh chs cht chy csa csc csh css cst csy cta ctc cth cts ctt cty cya cyc cys cyt haa hac hah has hat hay hca hcc hch hcs hct hcy hha hhc hhh hhs hht hhy hsa hsc hsh hss hst hsy hta htc hth hts htt hty hy- hya hyc hyh hys hyt hyy saa sac sah sas sat say sca scc sch scs sct sh- sha shc shh shs sht shy ss- ssa ssc ssh sss sst sta stc sth sts stt sty sy- sya syc syh sys syt taa tac tah tas tat tay tca tcc tch tcs tct th- tha thc thh ths tht thy tsa tsc tsh tss tst tsy tta ttc tth tts ttt tty tya tyc tys tyt yaa yac yah yas yat yay yca ycc ych ycs ycy yha yhc yhs yht ysa ysc yss yst ysy yta ytc yth yts ytt yyc yys yyt yyy