a-a a-c a-t aaa aac aaf aan aat aay ac- aca acc acf acn act acy af- afa afc aff afn aft afy an- ana anc anf ann ant any at- ata atc atf atn att ay- aya ayc ayf ayn ayt c-- caa cac caf can cat cay cca ccc ccf ccn cct cfa cfc cff cfn cft cn- cna cnc cnf cnn cnt cny cta ctc ctf ctn ctt cty cya cyc cyf cyn cyt faa fac faf fan fat fay fca fcc fcf fcn fct fcy ffa ffc fff ffn fft ffy fna fnc fnf fnn fnt fta ftc ftf ftn ftt fty fy- fya fyc fyn naa nac naf nan nat nay nca ncc ncf ncn nct nfa nfc nff nfn nft nna nnc nnf nnn nnt nta ntc ntf ntn ntt nya nyc nyf nyn nyt nyy taa tac taf tan tat tay tca tcc tcf tcn tct tfa tfc tff tfn tft tna tnc tnf tnn tnt tta ttc ttf ttn ttt tty tya tyc tyf tyn tyt yaa yac yaf yan yat yay yca ycc ycf ycy yfa yfc yff yft yna ynn yny yta ytc ytf ytn ytt yyc yyf yyt yyy