rak ral ran rao rar rav re- rea ree ref reg rei rek rel ren reo rer rev rfa rfe rff rfg rfi rfk rfl rfn rfo rfr rfv rga rge rgf rgg rgi rgk rgn rgo rgr rgv ria rie rif rig rii rik ril rin rio rir riv rke rkf rkg rkk rko rkv rla rle rlf rlg rli rll rln rlo rlr rna rng rni rnn rno rnr rnv roa roe rof rog roi rok rol ron roo ror rov rra rrf rrg rri rrk rrl rrn rrr rva rve rvf rvg rvi rvl rvn rvo rvr rvv v-a v-e vaa vae vag vai vak val van vao var vav vea vee vef veg vei vek vel ven veo ver vfa vff vfg vfi vfl vfn vfr vfv vga vgf vgg vgl vgn vgo vgr vi- via vie vif vig vii vik vil vin vio vir viv vka vkg vl- vla vle vlf vlk vll vlo vlv vn- vna vnf vng vni vnl vno vnr vnv voa voe vof vog voi vok vol von voo vor vov vra vre vrf vrg vri vrk vrn vrr vva vvg vvi vvo vvr vvv