7 letter words:
unfixed18,
5 letter words:
fixed16,
unfix15,
index13,
nixed13,
fiend9,
fined9,
fundi9,
unfed9,
indue6,
nudie6,
4 letter words:
nixe11,
defi8,
fend8,
feud8,
find8,
fund8,
enuf7,
fine7,
neif7,
deni5,
dine5,
dune5,
nide5,
nude5,
unde5,
3 letter words:
fix13,
dex11,
nix10,
def7,
dif7,
fed7,
fid7,
fud7,
fen6,
feu6,
fie6,
fin6,
fun6,
den4,
die4,
din4,
due4,
dui4,
dun4,
end4,
2 letter words:
ex9,
xi9,
xu9,
ef5,
fe5,
if5,
de3,
ed3,
id3,
en2,
in2,
ne2,
nu2,
un2,
