ddd ddg ddo ddp ddr ddy dgd dgg dgp dgr dod dog doo dop dor doy dpd dpg dpo dpp dpr drd drg dro drp drr dry dy- dyd dyo dyp dyr dyy g-d g-p gdd gdo gdp gdr ggd ggg ggo ggp ggr god gog goo gop gor goy gpd gpg gpo gpp gpr grd grg gro grp grr gry gy- gyd gyo gyp gyr odd odg odo odp odr ogd ogg ogo ogp ogy oo- ood oog ooo oop oor op- opd opg opo opp opr opy or- ord org oro orp orr ory oyd oyo p-p pdd pdg pdo pdp pdr pgd pgg pgo pgp pgr pgy pod pog poo pop por poy ppd ppg ppo ppp ppr prd prg pro prp prr pry py- pyd pyg pyo pyr rdd rdg rdo rdp rdr rdy rgd rgg rgo rgp rgr rod rog roo rop ror roy rpd rpg rpo rpp rpr rrd rrg rrp rrr ry- ryd ryg ryo ryr ryy ydg ydo ydy ygo yod yog yoo yop yor yoy ypd ypg ypo yrg yro yrp yyg yyy