a-a aaa aag aan aar aav ag- aga agg agn agr agv an- ana ang ann anr anv ar- ara arg arn arr arv av- ava avg avn avr gaa gag gan gar gav gga ggg ggn ggr ggv gna gnn gnr gnv gra grg grn grr grv gva gvg gvn gvr naa nag nan nar nav nga ngg ngn nna nng nnn nnv nra nrg nrn nrr nrv nva nvg nvn nvv ra- raa rag ran rar rav rga rgg rgn rgr rgv rna rng rnn rnr rnv rra rrg rrn rrr rva rvg rvn rvr rvv v-a vaa vag van var vav vga vgg vgn vgr vn- vna vng vnr vnv vra vrg vrn vrr vva vvg vvr vvv