a-a a-c a-t aaa aac aak aam aas aat ac- aca acc ack acm acs act aka akc akk akm aks ama amc amk amm ams amt as- asa asc ask asm ass ast at- ata atc atm ats att c-- caa cac cak cam cas cat cca ccc cck ccm ccs cct cka ckc ckm cks ckt cma cmc cmk cmm cms cmt csa csc csk csm css cst cta ctc ctk ctm cts ctt k-t ka- kaa kac kak kam kas kat kca kcc kck kcm kcs kct kkc kkk kkm kks kkt kma kmc kmk kmm kms kmt ksa ksc ksk ksm kss kst kta ktc ktk ktm kts ktt maa mac mak mam mas mat mc- mca mcc mck mcm mcs mct mka mkc mkk mkm mks mkt mma mmc mmk mmm mms mmt msa msc msk msm mss mst mta mtc mtk mtm mts mtt saa sac sak sam sas sat sca scc sck scm scs sct sk- ska skc skk skm sks skt sma smc smk smm sms smt ss- ssa ssc ssk ssm sss sst sta stc stk stm sts stt taa tac tak tam tas tat tca tcc tck tcm tcs tct tka tkc tkk tkm tks tkt tma tmc tmk tmm tms tmt tsa tsc tsk tsm tss tst tta ttc ttk ttm tts ttt