6 letter words:
foxing17,
5 letter words:
gonif9,
4 letter words:
figo8,
fino7,
foin7,
info7,
ingo5,
3 letter words:
fix13,
fox13,
gox11,
nix10,
nox10,
fig7,
fog7,
gif7,
fin6,
fon6,
gin4,
gio4,
gon4,
nog4,
ion3,
2 letter words:
ox9,
xi9,
if5,
of5,
gi3,
go3,
in2,
io2,
no2,
oi2,
on2,