a-a a-c a-t aaa aac aam aan aao aar aat ac- aca acc acm acn aco acr act ama amc amm amn amo amr amt an- ana anc anm ann ano anr ant aoa aoc aom aon aoo aor aot ar- ara arc arm arn aro arr art at- ata atc atm atn ato atr att c-- caa cac cam can cao car cat cca ccc ccm ccn cco ccr cct cma cmc cmm cmn cmo cmr cmt cn- cna cnc cnm cnn cno cnr cnt co- coa coc com con coo cor cot cra crc crm crn cro crr crt cta ctc ctm ctn cto ctr ctt m-o m-r maa mac mam man mao mar mat mc- mca mcc mcm mcn mco mcr mct mma mmc mmm mmn mmo mmr mmt mna mnc mnm mnn mno mnr mnt moa moc mom mon moo mor mot mra mrc mrm mrn mro mrr mrt mta mtc mtm mtn mto mtr mtt naa nac nam nan nao nar nat nca ncc ncm ncn nco ncr nct nma nmc nmm nmn nmo nmr nmt nna nnc nnm nnn nno nnt no- noa noc nom non noo nor not nra nrc nrm nrn nro nrr nrt nta ntc ntm ntn nto ntr ntt oaa oac oam oan oao oar oat oc- oca occ ocm ocn oco ocr oct om- oma omc omm omn omo omr omt on- ona onc onn ono onr ont oo- ooa ooc oom oon ooo oor oot or- ora orc orm orn oro orr ort ot- ota otc otm otn oto otr ott ra- raa rac ram ran rao rar rat rca rcc rcm rcn rco rcr rct rma rmc rmm rmn rmo rmr rmt rna rnc rnm rnn rno rnr rnt roa roc rom ron roo ror rot rra rrc rrm rrn rrr rrt rta rtc rtm rtn rto rtr rtt taa tac tam tan tao tar tat tca tcc tcm tcn tco tcr tct tma tmc tmm tmn tmo tmr tmt tna tnc tnm tnn tno tnr tnt to- toa toc tom ton too tor tot tra trc trm trn tro trr trt tta ttc ttm ttn tto ttr ttt