6 letter words:
inning7,
5 letter words:
genii6,
inion5,
ninon5,
4 letter words:
gien5,
gone5,
neon4,
nine4,
none4,
3 letter words:
ego4,
eng4,
gen4,
gie4,
gin4,
neg4,
nog4,
eon3,
inn3,
ion3,
one3,
2 letter words:
go3,
en2,
in2,
ne2,
no2,
oe2,
oi2,
on2,