4 letter words:
fuze16,
zinc15,
zein13,
zine13,
cuif9,
fice9,
fuci9,
enuf7,
fine7,
neif7,
cine6,
nice6,
unci6,
3 letter words:
fez15,
fiz15,
zin12,
fen6,
feu6,
fie6,
fin6,
fun6,
cue5,
ecu5,
ice5,
2 letter words:
ef5,
fe5,
if5,
en2,
in2,
ne2,
nu2,
un2,