a-a a-t aaa aaf aan aao aat aay af- afa aff afn afo aft afy an- ana anf ann ano ant any aoa aof aon aoo aot at- ata atf atn ato att ay- aya ayf ayn ayo ayt faa faf fan fao fat fay ffa fff ffn ffo fft ffy fna fnf fnn fnt foa fof fon foo fot foy fta ftf ftn fto ftt fty fy- fya fyn fyo naa naf nan nao nat nay nfa nff nfn nfo nft nna nnf nnn nno nnt no- noa nof non noo not noy nta ntf ntn nto ntt nya nyf nyn nyo nyt nyy oaa oaf oan oao oat of- ofa off ofn ofo oft on- ona onf onn ono ont ony oo- ooa oof oon ooo oot ot- ota otf otn oto ott oya oyo taa taf tan tao tat tay tfa tff tfn tfo tft tna tnf tnn tno tnt to- toa tof ton too tot toy tta ttf ttn tto ttt tty tya tyf tyn tyo tyt yaa yaf yan yao yat yay yfa yff yft yna ynn yny yof yon yoo yot yoy yta ytf ytn yto ytt yyf yyt yyy