ddd ddg ddo ddp dds ddy dgd dgg dgp dgs dod dog doo dop dos doy dpd dpg dpo dpp dps dsd dsg dso dsp dss dsy dy- dyd dyo dyp dys dyy g-d g-p gdd gdo gdp gds ggd ggg ggo ggp ggs god gog goo gop gos goy gpd gpg gpo gpp gps gsd gsg gso gsp gss gy- gyd gyo gyp gys odd odg odo odp ods ogd ogg ogo ogp ogs ogy oo- ood oog ooo oop oos op- opd opg opo opp ops opy os- osd osg oso osp oss oyd oyo oys p-p pdd pdg pdo pdp pds pgd pgg pgo pgp pgs pgy pod pog poo pop pos poy ppd ppg ppo ppp pps ps- psd psg pso psp pss psy py- pyd pyg pyo pys sdd sdg sdo sdp sds sdy sgd sgg sgo sgp sgs sod sog soo sop sos soy spd spg spo spp sps spy ss- ssd ssg sso ssp sss sy- syd syg syp sys ydg ydo yds ydy ygo yod yog yoo yop yos yoy ypd ypg ypo yps ysg yso ysp yss ysy yyg yys yyy