-th a-a a-c a-t aaa aac aah aam aas aat ac- aca acc ach acm acs act aha ahc ahh ahm ahs aht ama amc amh amm ams amt as- asa asc ash asm ass ast at- ata atc ath atm ats att c-- caa cac cah cam cas cat cca ccc cch ccm ccs cct ch- cha chc chh chm chs cht cma cmc cmh cmm cms cmt csa csc csh csm css cst cta ctc cth ctm cts ctt haa hac hah ham has hat hca hcc hch hcm hcs hct hha hhc hhh hhm hhs hht hma hmc hmh hmm hms hmt hsa hsc hsh hsm hss hst hta htc hth htm hts htt maa mac mah mam mas mat mc- mca mcc mch mcm mcs mct mha mhc mhh mhm mhs mht mma mmc mmh mmm mms mmt msa msc msh msm mss mst mta mtc mth mtm mts mtt saa sac sah sam sas sat sca scc sch scm scs sct sh- sha shc shh shm shs sht sma smc smh smm sms smt ss- ssa ssc ssh ssm sss sst sta stc sth stm sts stt taa tac tah tam tas tat tca tcc tch tcm tcs tct th- tha thc thh thm ths tht tma tmc tmh tmm tms tmt tsa tsc tsh tsm tss tst tta ttc tth ttm tts ttt