4 letter words:
enuf7,
fane7,
faun7,
nape6,
neap6,
pane6,
pean6,
puna6,
aune4,
3 letter words:
fap8,
auf6,
fae6,
fan6,
fen6,
feu6,
fun6,
nef6,
ape5,
nap5,
nep5,
pan5,
pea5,
pen5,
pun5,
ane3,
aue3,
ean3,
eau3,
nae3,
2 letter words:
ef5,
fa5,
fe5,
pa4,
pe4,
up4,
ae2,
an2,
ea2,
en2,
na2,
ne2,
nu2,
un2,