ggg ggi ggn ggr ggv gig gii gin gir giv gni gnn gnr gnv grg gri grn grr grv gvg gvi gvn gvr i-v igg igi ign igr iii iin iir in- ing ini inn inr inv ir- irg iri irn irr irv ivg ivi ivr ivv n-i ngg ngi ngn nig nii nin nir niv nng nni nnn nnv nrg nri nrn nrr nrv nvg nvi nvn nvv rgg rgi rgn rgr rgv rig rii rin rir riv rng rni rnn rnr rnv rrg rri rrn rrr rvg rvi rvn rvr rvv vgg vgn vgr vi- vig vii vin vir viv vn- vng vni vnr vnv vrg vri vrn vrr vvg vvi vvr vvv