a-a a-c a-t aaa aac aam aan aao aar aas aat ac- aca acc acm acn aco acr acs act ama amc amm amn amo amr ams amt an- ana anc anm ann ano anr ans ant aoa aoc aom aon aoo aor aos aot ar- ara arc arm arn aro arr ars art as- asa asc asm asn aso asr ass ast at- ata atc atm atn ato atr ats att c-- caa cac cam can cao car cas cat cca ccc ccm ccn cco ccr ccs cct cma cmc cmm cmn cmo cmr cms cmt cn- cna cnc cnm cnn cno cnr cns cnt co- coa coc com con coo cor cos cot cra crc crm crn cro crr crs crt csa csc csm csn cso csr css cst cta ctc ctm ctn cto ctr cts ctt m-o m-r maa mac mam man mao mar mas mat mc- mca mcc mcm mcn mco mcr mcs mct mma mmc mmm mmn mmo mmr mms mmt mna mnc mnm mnn mno mnr mns mnt moa moc mom mon moo mor mos mot mra mrc mrm mrn mro mrr mrs mrt msa msc msm msn mso msr mss mst mta mtc mtm mtn mto mtr mts mtt naa nac nam nan nao nar nas nat nca ncc ncm ncn nco ncr ncs nct nma nmc nmm nmn nmo nmr nms nmt nna nnc nnm nnn nno nns nnt no- noa noc nom non noo nor nos not nra nrc nrm nrn nro nrr nrs nrt nsa nsc nsm nsn nso nsr nss nst nta ntc ntm ntn nto ntr nts ntt oaa oac oam oan oao oar oas oat oc- oca occ ocm ocn oco ocr ocs oct om- oma omc omm omn omo omr oms omt on- ona onc onn ono onr ons ont oo- ooa ooc oom oon ooo oor oos oot or- ora orc orm orn oro orr ors ort os- osa osc osm osn oso osr oss ost ot- ota otc otm otn oto otr ots ott ra- raa rac ram ran rao rar ras rat rca rcc rcm rcn rco rcr rcs rct rma rmc rmm rmn rmo rmr rms rmt rna rnc rnm rnn rno rnr rns rnt roa roc rom ron roo ror ros rot rra rrc rrm rrn rrr rrs rrt rsa rsc rsm rsn rso rsr rss rst rta rtc rtm rtn rto rtr rts rtt saa sac sam san sao sar sas sat sca scc scm scn sco scr scs sct sma smc smm smn smo smr sms smt sna snc snm snn sno snr sns snt soa soc som son soo sor sos sot sr- sra src srm srn sro srr srs srt ss- ssa ssc ssm ssn sso ssr sss sst sta stc stm stn sto str sts stt taa tac tam tan tao tar tas tat tca tcc tcm tcn tco tcr tcs tct tma tmc tmm tmn tmo tmr tms tmt tna tnc tnm tnn tno tnr tns tnt to- toa toc tom ton too tor tos tot tra trc trm trn tro trr trs trt tsa tsc tsm tsn tso tsr tss tst tta ttc ttm ttn tto ttr tts ttt