a-a a-t aaa aag aao aas aat aav ag- aga agg ago ags agt agv aoa aog aoo aos aot aov as- asa asg aso ass ast asv at- ata atg ato ats att atv av- ava avg avo avs avt gaa gag gao gas gat gav gga ggg ggo ggs ggt ggv goa gog goo gos got gov gsa gsg gso gss gst gsv gta gtg gto gts gtt gtv gva gvg gvo gvs gvt oaa oag oao oas oat oav oga ogg ogo ogs ogt oo- ooa oog ooo oos oot oov os- osa osg oso oss ost osv ot- ota otg oto ots ott otv ov- ova ovo ovs ovv saa sag sao sas sat sav sga sgg sgo sgs sgt sgv soa sog soo sos sot sov ss- ssa ssg sso sss sst ssv sta stg sto sts stt stv sva svg svo svs svt svv taa tag tao tas tat tav tga tgg tgo tgs tgt tgv to- toa tog too tos tot tov tsa tsg tso tss tst tsv tta ttg tto tts ttt ttv tva tvg tvo tvs tvt v-a vaa vag vao vas vat vav vga vgg vgo vgs vgt voa vog voo vos vot vov vsa vsg vso vss vst vsv vta vtg vto vts vtt vtv vva vvg vvo vvs vvt vvv