7 letter words:
unfaded12,
6 letter words:
defund11,
fanded11,
funded11,
undeaf10,
undead8,
5 letter words:
faded10,
unfed9,
4 letter words:
deaf8,
fade8,
fand8,
fend8,
feud8,
fund8,
enuf7,
fane7,
faun7,
daud6,
dead6,
duad6,
dude6,
dued6,
dean5,
duan5,
dune5,
nude5,
unde5,
aune4,
3 letter words:
def7,
fad7,
fed7,
fud7,
auf6,
fae6,
fan6,
fen6,
feu6,
fun6,
nef6,
add5,
dad5,
dud5,
and4,
dae4,
dan4,
den4,
due4,
dun4,
end4,
ned4,
ane3,
aue3,
ean3,
eau3,
nae3,
2 letter words:
ef5,
fa5,
fe5,
ad3,
da3,
de3,
ed3,
ae2,
an2,
ea2,
en2,
na2,
ne2,
nu2,
un2,