8 letter words:
grooving13,
6 letter words:
roving10,
vigoro10,
gorgio8,
gorgon8,
goring8,
gringo8,
5 letter words:
vigor9,
going7,
oggin7,
giron6,
groin6,
4 letter words:
rivo7,
vino7,
ging6,
gogo6,
gong6,
goog6,
grig6,
grog6,
nogg6,
rigg6,
girn5,
giro5,
goon5,
goor5,
gori5,
grin5,
ingo5,
ring5,
rong5,
inro4,
iron4,
noir4,
nori4,
roin4,
roon4,
3 letter words:
gov7,
vig7,
vin6,
vor6,
gig5,
igg5,
gin4,
gio4,
gon4,
goo4,
gor4,
nog4,
rig4,
ion3,
noo3,
nor3,
ono3,
oon3,
oor3,
rin3,
roo3,
2 letter words:
gi3,
go3,
in2,
io2,
no2,
oi2,
on2,
oo2,
or2,