ggg ggo ggr ggs gko gks gog gok goo gor gos goy grg grk gro grr grs gry gsg gsk gso gsr gss gy- gyo gyr gys kgo kgs kgy kkk kkr kks kky kog kok koo kor kos koy krg krk kro krr krs kry ksg ksk kso ksr kss kyo kyr kys ogg ogo ogs ogy okg okk oko okr oks oo- oog ook ooo oor oos or- org ork oro orr ors ory os- osg osk oso osr oss oyo oys rgg rgk rgo rgr rgs rkg rkk rko rks rky rog rok roo ror ros roy rrg rrk rrr rrs rsg rsk rso rsr rss ry- ryg ryk ryo ryr rys ryy sgg sgk sgo sgr sgs sk- skg skk sko skr sks sky sog sok soo sor sos soy sr- srg srk sro srr srs sry ss- ssg ssk sso ssr sss sy- syg syk syr sys ygo ykk yog yok yoo yor yos yoy yrg yro yrs ysg ysk yso ysr yss ysy yyg yys yyy