a-a aaa aag aao aar aas aav ag- aga agg ago agr ags agv aoa aog aoo aor aos aov ar- ara arg aro arr ars arv as- asa asg aso asr ass asv av- ava avg avo avr avs gaa gag gao gar gas gav gga ggg ggo ggr ggs ggv goa gog goo gor gos gov gra grg gro grr grs grv gsa gsg gso gsr gss gsv gva gvg gvo gvr gvs oaa oag oao oar oas oav oga ogg ogo ogs oo- ooa oog ooo oor oos oov or- ora org oro orr ors orv os- osa osg oso osr oss osv ov- ova ovo ovs ovv ra- raa rag rao rar ras rav rga rgg rgo rgr rgs rgv roa rog roo ror ros rov rra rrg rrr rrs rsa rsg rso rsr rss rsv rva rvg rvo rvr rvs rvv saa sag sao sar sas sav sga sgg sgo sgr sgs sgv soa sog soo sor sos sov sr- sra srg sro srr srs srv ss- ssa ssg sso ssr sss ssv sva svg svo svr svs svv v-a vaa vag vao var vas vav vga vgg vgo vgr vgs voa vog voo vor vos vov vra vrg vrr vrs vsa vsg vso vsr vss vsv vva vvg vvo vvr vvs vvv