a-a a-c a-t aaa aac aam aan aao aap aar aat ac- aca acc acm acn aco acp acr act ama amc amm amn amo amp amr amt an- ana anc anm ann ano anp anr ant aoa aoc aom aon aoo aop aor aot ap- apa apc apm apn apo app apr apt ar- ara arc arm arn aro arp arr art at- ata atc atm atn ato atp atr att c-- caa cac cam can cao cap car cat cca ccc ccm ccn cco ccp ccr cct cma cmc cmm cmn cmo cmp cmr cmt cn- cna cnc cnm cnn cno cnp cnr cnt co- coa coc com con coo cop cor cot cpa cpc cpm cpn cpo cpp cpr cpt cra crc crm crn cro crp crr crt cta ctc ctm ctn cto ctp ctr ctt m-o m-r maa mac mam man mao map mar mat mc- mca mcc mcm mcn mco mcp mcr mct mma mmc mmm mmn mmo mmp mmr mmt mna mnc mnm mnn mno mnp mnr mnt moa moc mom mon moo mop mor mot mpa mpc mpm mpn mpo mpp mpr mpt mra mrc mrm mrn mro mrp mrr mrt mta mtc mtm mtn mto mtp mtr mtt naa nac nam nan nao nap nar nat nca ncc ncm ncn nco ncp ncr nct nma nmc nmm nmn nmo nmp nmr nmt nna nnc nnm nnn nno nnp nnt no- noa noc nom non noo nop nor not npa npc npm npn npo npp npr npt nra nrc nrm nrn nro nrp nrr nrt nta ntc ntm ntn nto ntp ntr ntt oaa oac oam oan oao oap oar oat oc- oca occ ocm ocn oco ocp ocr oct om- oma omc omm omn omo omp omr omt on- ona onc onn ono onp onr ont oo- ooa ooc oom oon ooo oop oor oot op- opa opc opm opn opo opp opr opt or- ora orc orm orn oro orp orr ort ot- ota otc otm otn oto otp otr ott p-p paa pac pam pan pao pap par pat pca pcc pcm pcn pco pcp pcr pct pma pmc pmm pmn pmo pmp pmr pmt pn- pna pnc pnm pnn pno pnp pnr pnt poa poc pom pon poo pop por pot ppa ppc ppm ppn ppo ppp ppr ppt pra prc prm prn pro prp prr prt pt- pta ptc ptm ptn pto ptp ptr ptt ra- raa rac ram ran rao rap rar rat rca rcc rcm rcn rco rcp rcr rct rma rmc rmm rmn rmo rmp rmr rmt rna rnc rnm rnn rno rnp rnr rnt roa roc rom ron roo rop ror rot rpa rpc rpm rpn rpo rpp rpr rpt rra rrc rrm rrn rrp rrr rrt rta rtc rtm rtn rto rtp rtr rtt taa tac tam tan tao tap tar tat tca tcc tcm tcn tco tcp tcr tct tma tmc tmm tmn tmo tmp tmr tmt tna tnc tnm tnn tno tnp tnr tnt to- toa toc tom ton too top tor tot tpa tpc tpm tpn tpo tpp tpr tpt tra trc trm trn tro trp trr trt tta ttc ttm ttn tto ttp ttr ttt