a-a a-c a-t aaa aac aam aap aar aat ac- aca acc acm acp acr act ama amc amm amp amr amt ap- apa apc apm app apr apt ar- ara arc arm arp arr art at- ata atc atm atp atr att c-- caa cac cam cap car cat cca ccc ccm ccp ccr cct cma cmc cmm cmp cmr cmt cpa cpc cpm cpp cpr cpt cra crc crm crp crr crt cta ctc ctm ctp ctr ctt m-r maa mac mam map mar mat mc- mca mcc mcm mcp mcr mct mma mmc mmm mmp mmr mmt mpa mpc mpm mpp mpr mpt mra mrc mrm mrp mrr mrt mta mtc mtm mtp mtr mtt p-p paa pac pam pap par pat pca pcc pcm pcp pcr pct pma pmc pmm pmp pmr pmt ppa ppc ppm ppp ppr ppt pra prc prm prp prr prt pt- pta ptc ptm ptp ptr ptt ra- raa rac ram rap rar rat rca rcc rcm rcp rcr rct rma rmc rmm rmp rmr rmt rpa rpc rpm rpp rpr rpt rra rrc rrm rrp rrr rrt rta rtc rtm rtp rtr rtt taa tac tam tap tar tat tca tcc tcm tcp tcr tct tma tmc tmm tmp tmr tmt tpa tpc tpm tpp tpr tpt tra trc trm trp trr trt tta ttc ttm ttp ttr ttt