a-a aaa aad aag aao aar aav ad- ada add adg ado adr adv ag- aga agd agg ago agr agv aoa aod aog aoo aor aov ar- ara ard arg aro arr arv av- ava avd avg avo avr daa dad dag dao dar dav dda ddd ddg ddo ddr dga dgd dgg dgr doa dod dog doo dor dov dra drd drg dro drr drv dva dvd dvg dvr g-d gaa gad gag gao gar gav gda gdd gdo gdr gdv gga ggd ggg ggo ggr ggv goa god gog goo gor gov gra grd grg gro grr grv gva gvd gvg gvo gvr oaa oad oag oao oar oav oda odd odg odo odr odv oga ogd ogg ogo oo- ooa ood oog ooo oor oov or- ora ord org oro orr orv ov- ova ovd ovo ovv ra- raa rad rag rao rar rav rda rdd rdg rdo rdr rdv rga rgd rgg rgo rgr rgv roa rod rog roo ror rov rra rrd rrg rrr rva rvd rvg rvo rvr rvv v-a vaa vad vag vao var vav vdd vdg vdo vdr vdv vga vgg vgo vgr voa vod vog voo vor vov vra vrd vrg vrr vva vvg vvo vvr vvv