7 letter words:
footing11,
6 letter words:
outing7,
5 letter words:
fugio9,
fungi9,
fungo9,
gonif9,
gonof9,
fount8,
futon8,
unfit8,
ingot6,
outgo6,
tigon6,
toing6,
ungot6,
nooit5,
4 letter words:
figo8,
fung8,
gift8,
goof8,
fino7,
foin7,
font7,
foot7,
info7,
tofu7,
goon5,
gout5,
ingo5,
ting5,
tong5,
tung5,
into4,
nout4,
oint4,
onto4,
oont4,
toon4,
toun4,
unit4,
unto4,
3 letter words:
fig7,
fog7,
fug7,
gif7,
fin6,
fit6,
fon6,
fou6,
fun6,
oft6,
oof6,
ufo6,
gin4,
gio4,
git4,
gnu4,
gon4,
goo4,
got4,
gun4,
gut4,
nog4,
tig4,
tog4,
tug4,
ion3,
nit3,
noo3,
not3,
nut3,
ono3,
oon3,
oot3,
out3,
tin3,
ton3,
too3,
tui3,
tun3,
uni3,
2 letter words:
if5,
of5,
gi3,
go3,
gu3,
ug3,
in2,
io2,
it2,
no2,
nu2,
oi2,
on2,
oo2,
ou2,
ti2,
to2,
un2,
ut2,