g-p ggg ggo ggp ggr ggs gog goo gop gor gos goy gpg gpo gpp gpr gps grg gro grp grr grs gry gsg gso gsp gsr gss gy- gyo gyp gyr gys ogg ogo ogp ogs ogy oo- oog ooo oop oor oos op- opg opo opp opr ops opy or- org oro orp orr ors ory os- osg oso osp osr oss oyo oys p-p pgg pgo pgp pgr pgs pgy pog poo pop por pos poy ppg ppo ppp ppr pps prg pro prp prr prs pry ps- psg pso psp psr pss psy py- pyg pyo pyr pys rgg rgo rgp rgr rgs rog roo rop ror ros roy rpg rpo rpp rpr rps rrg rrp rrr rrs rsg rso rsp rsr rss ry- ryg ryo ryr rys ryy sgg sgo sgp sgr sgs sog soo sop sor sos soy spg spo spp spr sps spy sr- srg sro srp srr srs sry ss- ssg sso ssp ssr sss sy- syg syp syr sys ygo yog yoo yop yor yos yoy ypg ypo yps yrg yro yrp yrs ysg yso ysp ysr yss ysy yyg yys yyy