ddd ddg ddo ddp ddy dgd dgg dgp dod dog doo dop doy dpd dpg dpo dpp dy- dyd dyo dyp dyy g-d g-p gdd gdo gdp ggd ggg ggo ggp god gog goo gop goy gpd gpg gpo gpp gy- gyd gyo gyp odd odg odo odp ogd ogg ogo ogp ogy oo- ood oog ooo oop op- opd opg opo opp opy oyd oyo p-p pdd pdg pdo pdp pgd pgg pgo pgp pgy pod pog poo pop poy ppd ppg ppo ppp py- pyd pyg pyo ydg ydo ydy ygo yod yog yoo yop yoy ypd ypg ypo yyg yyy