a-a aaa aad aak aao aav aay ad- ada add adk ado adv ady aka akd akk ako akv aoa aod aok aoo aov av- ava avd avk avo avy ay- aya ayd ayk ayo daa dad dak dao dav day dda ddd ddk ddo ddy dka dkk dko doa dod dok doo dov doy dva dvd dvk dy- dya dyd dyk dyo dyy ka- kaa kad kak kao kav kay kda kdk kdo kdy kkk kkv kky koa kod kok koo koy kva kvk kvo kvv kya kyd kyo oaa oad oak oao oav oda odd odo odv oka okd okk oko oo- ooa ood ook ooo oov ov- ova ovd ovo ovv oya oyd oyo v-a vaa vad vak vao vav vay vdd vdk vdo vdv vka voa vod vok voo vov voy vva vvo vvv vyd yaa yad yak yao yav yay yda ydo ydy yka ykk yod yok yoo yoy yva yvo yvy yyy