4 letter words:
futz16,
fuze16,
funk11,
kent8,
kune8,
neuk8,
nuke8,
enuf7,
tune4,
3 letter words:
zek16,
fez15,
kef10,
ken7,
kue7,
uke7,
eft6,
fen6,
fet6,
feu6,
fun6,
net3,
nut3,
ten3,
tun3,
ute3,
2 letter words:
ef5,
fe5,
en2,
et2,
ne2,
nu2,
un2,
ut2,