a-a aaa aad aag aao aav ad- ada add adg ado adv ag- aga agd agg ago agv aoa aod aog aoo aov av- ava avd avg avo daa dad dag dao dav dda ddd ddg ddo dga dgd dgg doa dod dog doo dov dva dvd dvg g-d gaa gad gag gao gav gda gdd gdo gdv gga ggd ggg ggo ggv goa god gog goo gov gva gvd gvg gvo oaa oad oag oao oav oda odd odg odo odv oga ogd ogg ogo oo- ooa ood oog ooo oov ov- ova ovd ovo ovv v-a vaa vad vag vao vav vdd vdg vdo vdv vga vgg vgo voa vod vog voo vov vva vvg vvo vvv