a-a aaa aad aao aap aar aay ad- ada add ado adp adr ady aoa aod aoo aop aor ap- apa apd apo app apr apy ar- ara ard aro arp arr ary ay- aya ayd ayo ayp ayr daa dad dao dap dar day dda ddd ddo ddp ddr ddy doa dod doo dop dor doy dpa dpd dpo dpp dpr dra drd dro drp drr dry dy- dya dyd dyo dyp dyr dyy oaa oad oao oap oar oda odd odo odp odr oo- ooa ood ooo oop oor op- opa opd opo opp opr opy or- ora ord oro orp orr ory oya oyd oyo p-p paa pad pao pap par pay pda pdd pdo pdp pdr poa pod poo pop por poy ppa ppd ppo ppp ppr pra prd pro prp prr pry py- pya pyd pyo pyr ra- raa rad rao rap rar ray rda rdd rdo rdp rdr rdy roa rod roo rop ror roy rpa rpd rpo rpp rpr rra rrd rrp rrr ry- rya ryd ryo ryr ryy yaa yad yao yap yar yay yda ydo ydy yod yoo yop yor yoy ypa ypd ypo yra yro yrp yyy