a-a aaa aad aao aar aav aay ad- ada add ado adr adv ady aoa aod aoo aor aov ar- ara ard aro arr arv ary av- ava avd avo avr avy ay- aya ayd ayo ayr daa dad dao dar dav day dda ddd ddo ddr ddy doa dod doo dor dov doy dra drd dro drr drv dry dva dvd dvr dy- dya dyd dyo dyr dyy oaa oad oao oar oav oda odd odo odr odv oo- ooa ood ooo oor oov or- ora ord oro orr orv ory ov- ova ovd ovo ovv oya oyd oyo ra- raa rad rao rar rav ray rda rdd rdo rdr rdv rdy roa rod roo ror rov roy rra rrd rrr rva rvd rvo rvr rvv rvy ry- rya ryd ryo ryr ryy v-a vaa vad vao var vav vay vdd vdo vdr vdv voa vod voo vor vov voy vra vrd vrr vry vva vvo vvr vvv vyd yaa yad yao yar yav yay yda ydo ydy yod yoo yor yoy yra yro yva yvo yvr yvy yyy