ggg ggo ggr ggs ggv gko gks gog gok goo gor gos gov goy grg grk gro grr grs grv gry gsg gsk gso gsr gss gsv gvg gvk gvo gvr gvs gy- gyo gyr gys kgo kgs kgv kgy kkk kkr kks kkv kky kog kok koo kor kos koy krg krk kro krr krs krv kry ksg ksk kso ksr kss ksv kvk kvo kvr kvs kvv kyo kyr kys ogg ogo ogs ogy okg okk oko okr oks oo- oog ook ooo oor oos oov or- org ork oro orr ors orv ory os- osg osk oso osr oss osv ov- ovo ovs ovv oyo oys rgg rgk rgo rgr rgs rgv rkg rkk rko rks rkv rky rog rok roo ror ros rov roy rrg rrk rrr rrs rsg rsk rso rsr rss rsv rvg rvo rvr rvs rvv rvy ry- ryg ryk ryo ryr rys ryy sgg sgk sgo sgr sgs sgv sk- skg skk sko skr sks sky sog sok soo sor sos sov soy sr- srg srk sro srr srs srv sry ss- ssg ssk sso ssr sss ssv svg svk svo svr svs svv svy sy- syg syk syr sys vgg vgo vgr vgs vkg vog vok voo vor vos vov voy vrg vrk vrr vrs vry vsg vsk vso vsr vss vsv vvg vvo vvr vvs vvv vyg ygo ykk yog yok yoo yor yos yoy yrg yro yrs ysg ysk yso ysr yss ysy yvo yvr yvy yyg yys yyy