a-a a-c a-t aaa aac aam aao aap aar aas aat ac- aca acc acm aco acp acr acs act ama amc amm amo amp amr ams amt aoa aoc aom aoo aop aor aos aot ap- apa apc apm apo app apr aps apt ar- ara arc arm aro arp arr ars art as- asa asc asm aso asp asr ass ast at- ata atc atm ato atp atr ats att c-- caa cac cam cao cap car cas cat cca ccc ccm cco ccp ccr ccs cct cma cmc cmm cmo cmp cmr cms cmt co- coa coc com coo cop cor cos cot cpa cpc cpm cpo cpp cpr cps cpt cra crc crm cro crp crr crs crt csa csc csm cso csp csr css cst cta ctc ctm cto ctp ctr cts ctt m-o m-r maa mac mam mao map mar mas mat mc- mca mcc mcm mco mcp mcr mcs mct mma mmc mmm mmo mmp mmr mms mmt moa moc mom moo mop mor mos mot mpa mpc mpm mpo mpp mpr mps mpt mra mrc mrm mro mrp mrr mrs mrt msa msc msm mso msp msr mss mst mta mtc mtm mto mtp mtr mts mtt oaa oac oam oao oap oar oas oat oc- oca occ ocm oco ocp ocr ocs oct om- oma omc omm omo omp omr oms omt oo- ooa ooc oom ooo oop oor oos oot op- opa opc opm opo opp opr ops opt or- ora orc orm oro orp orr ors ort os- osa osc osm oso osp osr oss ost ot- ota otc otm oto otp otr ots ott p-p paa pac pam pao pap par pas pat pca pcc pcm pco pcp pcr pcs pct pma pmc pmm pmo pmp pmr pms pmt poa poc pom poo pop por pos pot ppa ppc ppm ppo ppp ppr pps ppt pra prc prm pro prp prr prs prt ps- psa psc psm pso psp psr pss pst pt- pta ptc ptm pto ptp ptr pts ptt ra- raa rac ram rao rap rar ras rat rca rcc rcm rco rcp rcr rcs rct rma rmc rmm rmo rmp rmr rms rmt roa roc rom roo rop ror ros rot rpa rpc rpm rpo rpp rpr rps rpt rra rrc rrm rrp rrr rrs rrt rsa rsc rsm rso rsp rsr rss rst rta rtc rtm rto rtp rtr rts rtt saa sac sam sao sap sar sas sat sca scc scm sco scp scr scs sct sma smc smm smo smp smr sms smt soa soc som soo sop sor sos sot spa spc spm spo spp spr sps spt sr- sra src srm sro srp srr srs srt ss- ssa ssc ssm sso ssp ssr sss sst sta stc stm sto stp str sts stt taa tac tam tao tap tar tas tat tca tcc tcm tco tcp tcr tcs tct tma tmc tmm tmo tmp tmr tms tmt to- toa toc tom too top tor tos tot tpa tpc tpm tpo tpp tpr tps tpt tra trc trm tro trp trr trs trt tsa tsc tsm tso tsp tsr tss tst tta ttc ttm tto ttp ttr tts ttt