a-a a-c a-t aaa aac aak aam aan aao aap aar aat ac- aca acc ack acm acn aco acp acr act aka akc akk akm akn ako akp akr ama amc amk amm amn amo amp amr amt an- ana anc ank anm ann ano anp anr ant aoa aoc aok aom aon aoo aop aor aot ap- apa apc apk apm apn apo app apr apt ar- ara arc ark arm arn aro arp arr art at- ata atc atm atn ato atp atr att c-- caa cac cak cam can cao cap car cat cca ccc cck ccm ccn cco ccp ccr cct cka ckc ckm cko ckt cma cmc cmk cmm cmn cmo cmp cmr cmt cn- cna cnc cnm cnn cno cnp cnr cnt co- coa coc cok com con coo cop cor cot cpa cpc cpk cpm cpn cpo cpp cpr cpt cra crc crk crm crn cro crp crr crt cta ctc ctk ctm ctn cto ctp ctr ctt k-t ka- kaa kac kak kam kan kao kap kar kat kca kcc kck kcm kcn kcp kcr kct kkc kkk kkm kkn kkp kkr kkt kma kmc kmk kmm kmo kmp kmt kn- kna knc knk knm knn kno knp knr knt koa koc kok kom kon koo kop kor kot kpa kpc kpk kpm kpn kpo kpp kpr kpt kra krc krk krn kro krp krr krt kta ktc ktk ktm ktn kto ktp ktr ktt m-o m-r maa mac mak mam man mao map mar mat mc- mca mcc mck mcm mcn mco mcp mcr mct mka mkc mkk mkm mkn mko mkp mkr mkt mma mmc mmk mmm mmn mmo mmp mmr mmt mna mnc mnk mnm mnn mno mnp mnr mnt moa moc mok mom mon moo mop mor mot mpa mpc mpk mpm mpn mpo mpp mpr mpt mra mrc mrk mrm mrn mro mrp mrr mrt mta mtc mtk mtm mtn mto mtp mtr mtt naa nac nak nam nan nao nap nar nat nca ncc nck ncm ncn nco ncp ncr nct nka nkc nkk nkm nkn nko nkp nkr nkt nma nmc nmk nmm nmn nmo nmp nmr nmt nna nnc nnk nnm nnn nno nnp nnt no- noa noc nok nom non noo nop nor not npa npc npm npn npo npp npr npt nra nrc nrk nrm nrn nro nrp nrr nrt nta ntc ntk ntm ntn nto ntp ntr ntt oaa oac oak oam oan oao oap oar oat oc- oca occ ock ocm ocn oco ocp ocr oct oka okc okk oko okp okr om- oma omc omm omn omo omp omr omt on- ona onc onk onn ono onp onr ont oo- ooa ooc ook oom oon ooo oop oor oot op- opa opc opk opm opn opo opp opr opt or- ora orc ork orm orn oro orp orr ort ot- ota otc otk otm otn oto otp otr ott p-p paa pac pak pam pan pao pap par pat pca pcc pck pcm pcn pco pcp pcr pct pka pkc pkm pkn pko pkp pkr pkt pma pmc pmk pmm pmn pmo pmp pmr pmt pn- pna pnc pnk pnm pnn pno pnp pnr pnt poa poc pok pom pon poo pop por pot ppa ppc ppk ppm ppn ppo ppp ppr ppt pra prc prk prm prn pro prp prr prt pt- pta ptc ptk ptm ptn pto ptp ptr ptt ra- raa rac rak ram ran rao rap rar rat rca rcc rcm rcn rco rcp rcr rct rkc rkk rkm rko rkp rkt rma rmc rmm rmn rmo rmp rmr rmt rna rnc rnm rnn rno rnp rnr rnt roa roc rok rom ron roo rop ror rot rpa rpc rpk rpm rpn rpo rpp rpr rpt rra rrc rrk rrm rrn rrp rrr rrt rta rtc rtk rtm rtn rto rtp rtr rtt taa tac tak tam tan tao tap tar tat tca tcc tck tcm tcn tco tcp tcr tct tka tkc tkk tkm tko tkp tkr tkt tma tmc tmk tmm tmn tmo tmp tmr tmt tna tnc tnk tnm tnn tno tnp tnr tnt to- toa toc tok tom ton too top tor tot tpa tpc tpk tpm tpn tpo tpp tpr tpt tra trc trk trm trn tro trp trr trt tta ttc ttk ttm ttn tto ttp ttr ttt