ggg ggi ggo ggr ggs gig gii gik gio gir gis gko gks gog goi gok goo gor gos grg gri grk gro grr grs gsg gsi gsk gso gsr gss igg igi igk igo igr igs iii iio iir iis iki ikk iko ikr iks io- iog ioi ioo ior ios ir- irg iri irk iro irr irs is- isg isi isk iso isr iss kgi kgo kgs kig kii kik kio kir kis kki kkk kkr kks kog koi kok koo kor kos krg kri krk kro krr krs ksg ksi ksk kso ksr kss o-i ogg ogi ogo ogs oii oik oio oir ois okg oki okk oko okr oks oo- oog ooi ook ooo oor oos or- org ori ork oro orr ors os- osg osi osk oso osr oss rgg rgi rgk rgo rgr rgs rig rii rik rio rir ris rkg rkk rko rks rog roi rok roo ror ros rrg rri rrk rrr rrs rsg rsi rsk rso rsr rss sgg sgi sgk sgo sgr sgs sig sii sik sio sir sis sk- skg ski skk sko skr sks sog soi sok soo sor sos sr- srg sri srk sro srr srs ss- ssg ssi ssk sso ssr sss