5 letter words:
elfin8,
fille8,
4 letter words:
enuf7,
fell7,
feni7,
file7,
fill7,
fine7,
flue7,
fuel7,
full7,
lief7,
life7,
neif7,
nief7,
nife7,
lien4,
lieu4,
line4,
lune4,
nill4,
null4,
3 letter words:
elf6,
fen6,
feu6,
fie6,
fil6,
fin6,
flu6,
fun6,
nef6,
ell3,
ill3,
lei3,
leu3,
lie3,
lin3,
nie3,
nil3,
ule3,
uni3,
2 letter words:
ef5,
fe5,
if5,
el2,
en2,
in2,
li2,
ne2,
nu2,
un2,