a-a a-c a-t aaa aac aam aan aar aas aat ac- aca acc acm acn acr acs act ama amc amm amn amr ams amt an- ana anc anm ann anr ans ant ar- ara arc arm arn arr ars art as- asa asc asm asn asr ass ast at- ata atc atm atn atr ats att c-- caa cac cam can car cas cat cca ccc ccm ccn ccr ccs cct cma cmc cmm cmn cmr cms cmt cn- cna cnc cnm cnn cnr cns cnt cra crc crm crn crr crs crt csa csc csm csn csr css cst cta ctc ctm ctn ctr cts ctt m-r maa mac mam man mar mas mat mc- mca mcc mcm mcn mcr mcs mct mma mmc mmm mmn mmr mms mmt mna mnc mnm mnn mnr mns mnt mra mrc mrm mrn mrr mrs mrt msa msc msm msn msr mss mst mta mtc mtm mtn mtr mts mtt naa nac nam nan nar nas nat nca ncc ncm ncn ncr ncs nct nma nmc nmm nmn nmr nms nmt nna nnc nnm nnn nns nnt nra nrc nrm nrn nrr nrs nrt nsa nsc nsm nsn nsr nss nst nta ntc ntm ntn ntr nts ntt ra- raa rac ram ran rar ras rat rca rcc rcm rcn rcr rcs rct rma rmc rmm rmn rmr rms rmt rna rnc rnm rnn rnr rns rnt rra rrc rrm rrn rrr rrs rrt rsa rsc rsm rsn rsr rss rst rta rtc rtm rtn rtr rts rtt saa sac sam san sar sas sat sca scc scm scn scr scs sct sma smc smm smn smr sms smt sna snc snm snn snr sns snt sr- sra src srm srn srr srs srt ss- ssa ssc ssm ssn ssr sss sst sta stc stm stn str sts stt taa tac tam tan tar tas tat tca tcc tcm tcn tcr tcs tct tma tmc tmm tmn tmr tms tmt tna tnc tnm tnn tnr tns tnt tra trc trm trn trr trs trt tsa tsc tsm tsn tsr tss tst tta ttc ttm ttn ttr tts ttt