a-a aaa aad aar aav aay ad- ada add adr adv ady ar- ara ard arr arv ary av- ava avd avr avy ay- aya ayd ayr daa dad dar dav day dda ddd ddr ddy dra drd drr drv dry dva dvd dvr dy- dya dyd dyr dyy ra- raa rad rar rav ray rda rdd rdr rdv rdy rra rrd rrr rva rvd rvr rvv rvy ry- rya ryd ryr ryy v-a vaa vad var vav vay vdd vdr vdv vra vrd vrr vry vva vvr vvv vyd yaa yad yar yav yay yda ydy yra yva yvr yvy yyy