ggg ggh ggo ggr ggs ghg ghh gho ghr ghs gog goh goo gor gos grg grh gro grr grs gsg gso gsr gss hgg hgh hgo hgr hgs hhg hhh hho hhr hhs hog hoh hoo hor hos hr- hrg hrh hro hrr hrs hsg hsh hsr hss ogg ogh ogo ogs ohg ohh oho ohr ohs oo- oog ooh ooo oor oos or- org orh oro orr ors os- osg osh oso osr oss rgg rgh rgo rgr rgs rh- rhg rhh rho rhr rhs rog roh roo ror ros rrg rrh rrr rrs rsg rsh rso rsr rss sgg sgh sgo sgr sgs sh- shg shh sho shr shs sog soh soo sor sos sr- srg srh sro srr srs ss- ssg ssh sso ssr sss