6 letter words:
finked14,
knifed14,
finned10,
5 letter words:
fifed12,
knife12,
inked10,
fiend9,
fined9,
inned6,
4 letter words:
diff11,
fink11,
kief11,
fief10,
fife10,
dike9,
dink9,
kind9,
defi8,
fend8,
find8,
kine8,
fine7,
neif7,
deni5,
dine5,
nide5,
nine4,
3 letter words:
kef10,
kif10,
eff9,
iff9,
kid8,
def7,
dif7,
fed7,
fid7,
ink7,
ken7,
kin7,
fen6,
fie6,
fin6,
den4,
die4,
din4,
end4,
inn3,
2 letter words:
ki6,
ef5,
fe5,
if5,
de3,
ed3,
id3,
en2,
in2,
ne2,