a-a a-t aaa aaf aam aan aar aas aat af- afa aff afm afn afr afs aft ama amf amm amn amr ams amt an- ana anf anm ann anr ans ant ar- ara arf arm arn arr ars art as- asa asf asm asn asr ass ast at- ata atf atm atn atr ats att faa faf fam fan far fas fat ffa fff ffm ffn ffr ffs fft fma fmf fmm fmn fmr fms fmt fna fnf fnm fnn fnr fns fnt fra frf frm frn frr frs frt fsa fsf fsm fsn fsr fss fst fta ftf ftm ftn ftr fts ftt m-f m-r maa maf mam man mar mas mat mfa mff mfm mfn mfr mfs mft mma mmf mmm mmn mmr mms mmt mna mnf mnm mnn mnr mns mnt mra mrf mrm mrn mrr mrs mrt msa msf msm msn msr mss mst mta mtf mtm mtn mtr mts mtt naa naf nam nan nar nas nat nfa nff nfn nfr nfs nft nma nmm nmn nmr nms nmt nna nnf nnm nnn nns nnt nra nrf nrm nrn nrr nrs nrt nsa nsf nsm nsn nsr nss nst nta ntf ntm ntn ntr nts ntt ra- raa raf ram ran rar ras rat rfa rff rfm rfn rfr rfs rft rma rmf rmm rmn rmr rms rmt rna rnm rnn rnr rns rnt rra rrf rrm rrn rrr rrs rrt rsa rsf rsm rsn rsr rss rst rta rtf rtm rtn rtr rts rtt saa saf sam san sar sas sat sfa sff sfm sfn sfr sfs sft sma smf smm smn smr sms smt sna snf snm snn snr sns snt sr- sra srf srm srn srr srs srt ss- ssa ssf ssm ssn ssr sss sst sta stf stm stn str sts stt taa taf tam tan tar tas tat tfa tff tfm tfn tfr tfs tft tma tmf tmm tmn tmr tms tmt tna tnf tnm tnn tnr tns tnt tra trf trm trn trr trs trt tsa tsf tsm tsn tsr tss tst tta ttf ttm ttn ttr tts ttt