6 letter words:
feeing10,
peeing9,
pieing9,
5 letter words:
feign9,
genip8,
piing8,
genie6,
genii6,
4 letter words:
fine7,
neif7,
ping7,
neep6,
peen6,
pein6,
pine6,
gene5,
gien5,
3 letter words:
fig7,
fee6,
fen6,
fie6,
fin6,
gip6,
peg6,
pig6,
nip5,
pee5,
pen5,
pie5,
pin5,
eng4,
gee4,
gen4,
gie4,
gin4,
neg4,
nee3,
2 letter words:
ef5,
fe5,
if5,
pe4,
pi4,
en2,
in2,
ne2,