ggg ggo ggr ggs ggz gog goo gor gos goy goz grg gro grr grs gry gsg gso gsr gss gy- gyo gyr gys gzo gzr ogg ogo ogs ogy oo- oog ooo oor oos or- org oro orr ors ory orz os- osg oso osr oss oyo oys ozo ozs ozz rgg rgo rgr rgs rog roo ror ros roy roz rrg rrr rrs rsg rso rsr rss ry- ryg ryo ryr rys ryy ryz rzo rzy sgg sgo sgr sgs sog soo sor sos soy soz sr- srg sro srr srs sry ss- ssg sso ssr sss ssz sy- syg syr sys szr ygo yog yoo yor yos yoy yrg yro yrs ysg yso ysr yss ysy ysz yyg yys yyy yyz yzr yzy z-g zgg zgs zo- zog zoo zor zos zro zrs zsg zsz zzr zzs zzy zzz