4 letter words:
feni7,
fine7,
neif7,
nief7,
nife7,
mein6,
mien6,
mine6,
pein6,
peni6,
pine6,
3 letter words:
fem8,
imp7,
fen6,
fie6,
fin6,
nef6,
men5,
nep5,
nim5,
nip5,
pen5,
pie5,
pin5,
nie3,
2 letter words:
ef5,
fe5,
if5,
em4,
me4,
mi4,
pe4,
pi4,
en2,
in2,
ne2,