ggg ggo ggr ggs ggt ggv gog goo gor gos got gov grg gro grr grs grt grv gsg gso gsr gss gst gsv gtg gto gtr gts gtt gtv gvg gvo gvr gvs gvt ogg ogo ogs ogt oo- oog ooo oor oos oot oov or- org oro orr ors ort orv os- osg oso osr oss ost osv ot- otg oto otr ots ott otv ov- ovo ovs ovv rgg rgo rgr rgs rgt rgv rog roo ror ros rot rov rrg rrr rrs rrt rsg rso rsr rss rst rsv rtg rto rtr rts rtt rtv rvg rvo rvr rvs rvt rvv sgg sgo sgr sgs sgt sgv sog soo sor sos sot sov sr- srg sro srr srs srt srv ss- ssg sso ssr sss sst ssv stg sto str sts stt stv svg svo svr svs svt svv tgg tgo tgr tgs tgt tgv to- tog too tor tos tot tov trg tro trr trs trt trv tsg tso tsr tss tst tsv ttg tto ttr tts ttt ttv tvg tvo tvr tvs tvt vgg vgo vgr vgs vgt vog voo vor vos vot vov vrg vrr vrs vrt vsg vso vsr vss vst vsv vtg vto vtr vts vtt vtv vvg vvo vvr vvs vvt vvv