7 letter words:
goofing12,
5 letter words:
gonif9,
gonof9,
going7,
4 letter words:
goof8,
fino7,
foin7,
info7,
gogo6,
gong6,
nogg6,
goon5,
3 letter words:
fig7,
fog7,
fin6,
fon6,
gig5,
igg5,
gin4,
goo4,
nog4,
ion3,
noo3,
ono3,
2 letter words:
if5,
of5,
go3,
in2,
no2,
oi2,
on2,