a-a a-c a-t aaa aac aaf aam aan aao aar aat ac- aca acc acf acm acn aco acr act af- afa afc aff afm afn afo afr aft ama amc amf amm amn amo amr amt an- ana anc anf anm ann ano anr ant aoa aoc aof aom aon aoo aor aot ar- ara arc arf arm arn aro arr art at- ata atc atf atm atn ato atr att c-- caa cac caf cam can cao car cat cca ccc ccf ccm ccn cco ccr cct cfa cfc cff cfm cfn cfo cfr cft cma cmc cmf cmm cmn cmo cmr cmt cn- cna cnc cnf cnm cnn cno cnr cnt co- coa coc cof com con coo cor cot cra crc crf crm crn cro crr crt cta ctc ctf ctm ctn cto ctr ctt faa fac faf fam fan fao far fat fca fcc fcf fcm fcn fco fcr fct ffa ffc fff ffm ffn ffo ffr fft fma fmc fmf fmm fmn fmo fmr fmt fna fnc fnf fnm fnn fnr fnt foa foc fof fom fon foo for fot fra frc frf frm frn fro frr frt fta ftc ftf ftm ftn fto ftr ftt m-f m-o m-r maa mac maf mam man mao mar mat mc- mca mcc mcf mcm mcn mco mcr mct mfa mfc mff mfm mfn mfo mfr mft mma mmc mmf mmm mmn mmo mmr mmt mna mnc mnf mnm mnn mno mnr mnt moa moc mof mom mon moo mor mot mra mrc mrf mrm mrn mro mrr mrt mta mtc mtf mtm mtn mto mtr mtt naa nac naf nam nan nao nar nat nca ncc ncf ncm ncn nco ncr nct nfa nfc nff nfn nfo nfr nft nma nmc nmm nmn nmo nmr nmt nna nnc nnf nnm nnn nno nnt no- noa noc nof nom non noo nor not nra nrc nrf nrm nrn nro nrr nrt nta ntc ntf ntm ntn nto ntr ntt oaa oac oaf oam oan oao oar oat oc- oca occ ocf ocm ocn oco ocr oct of- ofa ofc off ofm ofn ofo ofr oft om- oma omc omf omm omn omo omr omt on- ona onc onf onn ono onr ont oo- ooa ooc oof oom oon ooo oor oot or- ora orc orf orm orn oro orr ort ot- ota otc otf otm otn oto otr ott ra- raa rac raf ram ran rao rar rat rca rcc rcf rcm rcn rco rcr rct rfa rfc rff rfm rfn rfo rfr rft rma rmc rmf rmm rmn rmo rmr rmt rna rnc rnm rnn rno rnr rnt roa roc rof rom ron roo ror rot rra rrc rrf rrm rrn rrr rrt rta rtc rtf rtm rtn rto rtr rtt taa tac taf tam tan tao tar tat tca tcc tcf tcm tcn tco tcr tct tfa tfc tff tfm tfn tfo tfr tft tma tmc tmf tmm tmn tmo tmr tmt tna tnc tnf tnm tnn tno tnr tnt to- toa toc tof tom ton too tor tot tra trc trf trm trn tro trr trt tta ttc ttf ttm ttn tto ttr ttt