a-a a-t aaa aaf aam aan aar aat af- afa aff afm afn afr aft ama amf amm amn amr amt an- ana anf anm ann anr ant ar- ara arf arm arn arr art at- ata atf atm atn atr att faa faf fam fan far fat ffa fff ffm ffn ffr fft fma fmf fmm fmn fmr fmt fna fnf fnm fnn fnr fnt fra frf frm frn frr frt fta ftf ftm ftn ftr ftt m-f m-r maa maf mam man mar mat mfa mff mfm mfn mfr mft mma mmf mmm mmn mmr mmt mna mnf mnm mnn mnr mnt mra mrf mrm mrn mrr mrt mta mtf mtm mtn mtr mtt naa naf nam nan nar nat nfa nff nfn nfr nft nma nmm nmn nmr nmt nna nnf nnm nnn nnt nra nrf nrm nrn nrr nrt nta ntf ntm ntn ntr ntt ra- raa raf ram ran rar rat rfa rff rfm rfn rfr rft rma rmf rmm rmn rmr rmt rna rnm rnn rnr rnt rra rrf rrm rrn rrr rrt rta rtf rtm rtn rtr rtt taa taf tam tan tar tat tfa tff tfm tfn tfr tft tma tmf tmm tmn tmr tmt tna tnf tnm tnn tnr tnt tra trf trm trn trr trt tta ttf ttm ttn ttr ttt