6 letter words:
fining10,
ingine7,
5 letter words:
feign9,
genii6,
4 letter words:
feni7,
fine7,
fini7,
neif7,
nief7,
nife7,
gien5,
ginn5,
nine4,
3 letter words:
feg7,
fig7,
gif7,
fen6,
fie6,
fin6,
nef6,
eng4,
gen4,
gie4,
gin4,
neg4,
inn3,
nie3,
2 letter words:
ef5,
fe5,
if5,
gi3,
en2,
in2,
ne2,