ggg ggi ggn ggo ggr ggv gig gii gin gio gir giv gni gnn gno gnr gnv gog goi gon goo gor gov grg gri grn gro grr grv gvg gvi gvn gvo gvr i-v igg igi ign igo igr iii iin iio iir in- ing ini inn ino inr inv io- iog ioi ion ioo ior iov ir- irg iri irn iro irr irv ivg ivi ivo ivr ivv n-i ngg ngi ngn ngo nig nii nin nio nir niv nng nni nnn nno nnv no- nog noi non noo nor nov nrg nri nrn nro nrr nrv nvg nvi nvn nvv o-i ogg ogi ogn ogo oii oin oio oir oiv on- ong oni onn ono onr oo- oog ooi oon ooo oor oov or- org ori orn oro orr orv ov- ovi ovo ovv rgg rgi rgn rgo rgr rgv rig rii rin rio rir riv rng rni rnn rno rnr rnv rog roi ron roo ror rov rrg rri rrn rrr rvg rvi rvn rvo rvr rvv vgg vgn vgo vgr vi- vig vii vin vio vir viv vn- vng vni vno vnr vnv vog voi von voo vor vov vrg vri vrn vrr vvg vvi vvo vvr vvv