a-a aaa aad aag aar aav ad- ada add adg adr adv ag- aga agd agg agr agv ar- ara ard arg arr arv av- ava avd avg avr daa dad dag dar dav dda ddd ddg ddr dga dgd dgg dgr dra drd drg drr drv dva dvd dvg dvr g-d gaa gad gag gar gav gda gdd gdr gdv gga ggd ggg ggr ggv gra grd grg grr grv gva gvd gvg gvr ra- raa rad rag rar rav rda rdd rdg rdr rdv rga rgd rgg rgr rgv rra rrd rrg rrr rva rvd rvg rvr rvv v-a vaa vad vag var vav vdd vdg vdr vdv vga vgg vgr vra vrd vrg vrr vva vvg vvr vvv