5 letter words:
fagin9,
feign9,
ganef9,
4 letter words:
fang8,
fain7,
fane7,
fine7,
naif7,
neif7,
agin5,
gaen5,
gain5,
gane5,
gien5,
3 letter words:
fag7,
fig7,
fan6,
fen6,
fie6,
fin6,
age4,
eng4,
gae4,
gan4,
gen4,
gie4,
gin4,
nag4,
neg4,
ain3,
ane3,
ani3,
nae3,
2 letter words:
ef5,
fa5,
fe5,
if5,
ag3,
ae2,
ai2,
an2,
en2,
in2,
na2,
ne2,