a-a a-c a-t aaa aac aam aap aas aat ac- aca acc acm acp acs act ama amc amm amp ams amt ap- apa apc apm app aps apt as- asa asc asm asp ass ast at- ata atc atm atp ats att c-- caa cac cam cap cas cat cca ccc ccm ccp ccs cct cma cmc cmm cmp cms cmt cpa cpc cpm cpp cps cpt csa csc csm csp css cst cta ctc ctm ctp cts ctt maa mac mam map mas mat mc- mca mcc mcm mcp mcs mct mma mmc mmm mmp mms mmt mpa mpc mpm mpp mps mpt msa msc msm msp mss mst mta mtc mtm mtp mts mtt p-p paa pac pam pap pas pat pca pcc pcm pcp pcs pct pma pmc pmm pmp pms pmt ppa ppc ppm ppp pps ppt ps- psa psc psm psp pss pst pt- pta ptc ptm ptp pts ptt saa sac sam sap sas sat sca scc scm scp scs sct sma smc smm smp sms smt spa spc spm spp sps spt ss- ssa ssc ssm ssp sss sst sta stc stm stp sts stt taa tac tam tap tas tat tca tcc tcm tcp tcs tct tma tmc tmm tmp tms tmt tpa tpc tpm tpp tps tpt tsa tsc tsm tsp tss tst tta ttc ttm ttp tts ttt