a-a a-t aaa aad aao aat aav aay ad- ada add ado adt adv ady aoa aod aoo aot aov at- ata atd ato att atv av- ava avd avo avt avy ay- aya ayd ayo ayt daa dad dao dat dav day dda ddd ddo ddt ddy doa dod doo dot dov doy dta dtd dto dtt dtv dty dva dvd dvt dy- dya dyd dyo dyy oaa oad oao oat oav oda odd odo odt odv oo- ooa ood ooo oot oov ot- ota otd oto ott otv ov- ova ovd ovo ovv oya oyd oyo taa tad tao tat tav tay tda tdd tdo tdt tdv tdy to- toa tod too tot tov toy tta ttd tto ttt ttv tty tva tvd tvo tvt tvy tya tyd tyo tyt v-a vaa vad vao vat vav vay vdd vdo vdt vdv voa vod voo vot vov voy vta vto vtt vtv vty vva vvo vvt vvv vyd vyt yaa yad yao yat yav yay yda ydo ydt ydy yod yoo yot yoy yta ytd yto ytt ytv yva yvo yvy yyt yyy