5 letter words:
gonef9,
gonof9,
4 letter words:
goof8,
foen7,
fone7,
gone5,
goon5,
3 letter words:
feg7,
fog7,
fen6,
foe6,
fon6,
nef6,
oof6,
ego4,
eng4,
gen4,
geo4,
goe4,
gon4,
goo4,
neg4,
nog4,
eon3,
noo3,
one3,
ono3,
oon3,
2 letter words:
ef5,
fe5,
of5,
go3,
en2,
ne2,
no2,
oe2,
on2,
oo2,