a-a a-c a-t aaa aac aaf aam aan aao aat ac- aca acc acf acm acn aco act af- afa afc aff afm afn afo aft ama amc amf amm amn amo amt an- ana anc anf anm ann ano ant aoa aoc aof aom aon aoo aot at- ata atc atf atm atn ato att c-- caa cac caf cam can cao cat cca ccc ccf ccm ccn cco cct cfa cfc cff cfm cfn cfo cft cma cmc cmf cmm cmn cmo cmt cn- cna cnc cnf cnm cnn cno cnt co- coa coc cof com con coo cot cta ctc ctf ctm ctn cto ctt faa fac faf fam fan fao fat fca fcc fcf fcm fcn fco fct ffa ffc fff ffm ffn ffo fft fma fmc fmf fmm fmn fmo fmt fna fnc fnf fnm fnn fnt foa foc fof fom fon foo fot fta ftc ftf ftm ftn fto ftt m-f m-o maa mac maf mam man mao mat mc- mca mcc mcf mcm mcn mco mct mfa mfc mff mfm mfn mfo mft mma mmc mmf mmm mmn mmo mmt mna mnc mnf mnm mnn mno mnt moa moc mof mom mon moo mot mta mtc mtf mtm mtn mto mtt naa nac naf nam nan nao nat nca ncc ncf ncm ncn nco nct nfa nfc nff nfn nfo nft nma nmc nmm nmn nmo nmt nna nnc nnf nnm nnn nno nnt no- noa noc nof nom non noo not nta ntc ntf ntm ntn nto ntt oaa oac oaf oam oan oao oat oc- oca occ ocf ocm ocn oco oct of- ofa ofc off ofm ofn ofo oft om- oma omc omf omm omn omo omt on- ona onc onf onn ono ont oo- ooa ooc oof oom oon ooo oot ot- ota otc otf otm otn oto ott taa tac taf tam tan tao tat tca tcc tcf tcm tcn tco tct tfa tfc tff tfm tfn tfo tft tma tmc tmf tmm tmn tmo tmt tna tnc tnf tnm tnn tno tnt to- toa toc tof tom ton too tot tta ttc ttf ttm ttn tto ttt