-th a-a a-c a-t a-z aaa aac aah aas aat aaz ac- aca acc ach acs act acz aha ahc ahh ahs aht ahz as- asa asc ash ass ast asz at- ata atc ath ats att atz az- aza azs azt azz c-- caa cac cah cas cat caz cca ccc cch ccs cct ccz ch- cha chc chh chs cht chz csa csc csh css cst csz cta ctc cth cts ctt ctz cz- czc czt haa hac hah has hat haz hca hcc hch hcs hct hha hhc hhh hhs hht hhz hsa hsc hsh hss hst hsz hta htc hth hts htt htz hzs hzt saa sac sah sas sat saz sca scc sch scs sct sh- sha shc shh shs sht ss- ssa ssc ssh sss sst ssz sta stc sth sts stt stz sza taa tac tah tas tat taz tca tcc tch tcs tct th- tha thc thh ths tht thz tsa tsc tsh tss tst tta ttc tth tts ttt tza tzs zaa zac zah zas zat zaz zcs zha zhc zhs zsa zsh zst zsz zta zzs zzt zzz