a-a a-c a-t aaa aac aaf aam aan aar aas aat ac- aca acc acf acm acn acr acs act af- afa afc aff afm afn afr afs aft ama amc amf amm amn amr ams amt an- ana anc anf anm ann anr ans ant ar- ara arc arf arm arn arr ars art as- asa asc asf asm asn asr ass ast at- ata atc atf atm atn atr ats att c-- caa cac caf cam can car cas cat cca ccc ccf ccm ccn ccr ccs cct cfa cfc cff cfm cfn cfr cfs cft cma cmc cmf cmm cmn cmr cms cmt cn- cna cnc cnf cnm cnn cnr cns cnt cra crc crf crm crn crr crs crt csa csc csf csm csn csr css cst cta ctc ctf ctm ctn ctr cts ctt faa fac faf fam fan far fas fat fca fcc fcf fcm fcn fcr fcs fct ffa ffc fff ffm ffn ffr ffs fft fma fmc fmf fmm fmn fmr fms fmt fna fnc fnf fnm fnn fnr fns fnt fra frc frf frm frn frr frs frt fsa fsc fsf fsm fsn fsr fss fst fta ftc ftf ftm ftn ftr fts ftt m-f m-r maa mac maf mam man mar mas mat mc- mca mcc mcf mcm mcn mcr mcs mct mfa mfc mff mfm mfn mfr mfs mft mma mmc mmf mmm mmn mmr mms mmt mna mnc mnf mnm mnn mnr mns mnt mra mrc mrf mrm mrn mrr mrs mrt msa msc msf msm msn msr mss mst mta mtc mtf mtm mtn mtr mts mtt naa nac naf nam nan nar nas nat nca ncc ncf ncm ncn ncr ncs nct nfa nfc nff nfn nfr nfs nft nma nmc nmm nmn nmr nms nmt nna nnc nnf nnm nnn nns nnt nra nrc nrf nrm nrn nrr nrs nrt nsa nsc nsf nsm nsn nsr nss nst nta ntc ntf ntm ntn ntr nts ntt ra- raa rac raf ram ran rar ras rat rca rcc rcf rcm rcn rcr rcs rct rfa rfc rff rfm rfn rfr rfs rft rma rmc rmf rmm rmn rmr rms rmt rna rnc rnm rnn rnr rns rnt rra rrc rrf rrm rrn rrr rrs rrt rsa rsc rsf rsm rsn rsr rss rst rta rtc rtf rtm rtn rtr rts rtt saa sac saf sam san sar sas sat sca scc scf scm scn scr scs sct sfa sfc sff sfm sfn sfr sfs sft sma smc smf smm smn smr sms smt sna snc snf snm snn snr sns snt sr- sra src srf srm srn srr srs srt ss- ssa ssc ssf ssm ssn ssr sss sst sta stc stf stm stn str sts stt taa tac taf tam tan tar tas tat tca tcc tcf tcm tcn tcr tcs tct tfa tfc tff tfm tfn tfr tfs tft tma tmc tmf tmm tmn tmr tms tmt tna tnc tnf tnm tnn tnr tns tnt tra trc trf trm trn trr trs trt tsa tsc tsf tsm tsn tsr tss tst tta ttc ttf ttm ttn ttr tts ttt