a-a a-i aaa aag aai aar aav ag- aga agg agi agr agv ai- aia aig aii air aiv ar- ara arg ari arr arv av- ava avg avi avr gaa gag gai gar gav gga ggg ggi ggr ggv gia gig gii gir giv gra grg gri grr grv gva gvg gvi gvr i-v ia- iaa iag iai iar iav iga igg igi igr iia iii iir ir- ira irg iri irr irv iva ivg ivi ivr ivv ra- raa rag rai rar rav rga rgg rgi rgr rgv ria rig rii rir riv rra rrg rri rrr rva rvg rvi rvr rvv v-a vaa vag vai var vav vga vgg vgr vi- via vig vii vir viv vra vrg vri vrr vva vvg vvi vvr vvv