a-a a-t aaa aad aaf aao aat aay ad- ada add adf ado adt ady af- afa afd aff afo aft afy aoa aod aof aoo aot at- ata atd atf ato att ay- aya ayd ayf ayo ayt daa dad daf dao dat day dda ddd ddf ddo ddt ddy dfa dfd dff dfo dft doa dod dof doo dot doy dta dtd dtf dto dtt dty dy- dya dyd dyo dyy faa fad faf fao fat fay fda fdd fdf fdo fdt ffa ffd fff ffo fft ffy foa fof foo fot foy fta ftd ftf fto ftt fty fy- fya fyo oaa oad oaf oao oat oda odd odf odo odt of- ofa ofd off ofo oft oo- ooa ood oof ooo oot ot- ota otd otf oto ott oya oyd oyo taa tad taf tao tat tay tda tdd tdf tdo tdt tdy tfa tfd tff tfo tft to- toa tod tof too tot toy tta ttd ttf tto ttt tty tya tyd tyf tyo tyt yaa yad yaf yao yat yay yda ydo ydt ydy yfa yfd yff yft yod yof yoo yot yoy yta ytd ytf yto ytt yyf yyt yyy