a-a aaa aad aag aao aap ad- ada add adg ado adp ag- aga agd agg ago agp aoa aod aog aoo aop ap- apa apd apg apo app daa dad dag dao dap dda ddd ddg ddo ddp dga dgd dgg dgp doa dod dog doo dop dpa dpd dpg dpo dpp g-d g-p gaa gad gag gao gap gda gdd gdo gdp gga ggd ggg ggo ggp goa god gog goo gop gpa gpd gpg gpo gpp oaa oad oag oao oap oda odd odg odo odp oga ogd ogg ogo ogp oo- ooa ood oog ooo oop op- opa opd opg opo opp p-p paa pad pag pao pap pda pdd pdg pdo pdp pga pgd pgg pgo pgp poa pod pog poo pop ppa ppd ppg ppo ppp