7 letter words:
affixed21,
5 letter words:
affix18,
faxed16,
fixed16,
fifed12,
4 letter words:
axed12,
daff11,
diff11,
fief10,
fife10,
deaf8,
defi8,
fade8,
aide5,
idea5,
3 letter words:
fax13,
fix13,
dex11,
axe10,
aff9,
eff9,
iff9,
def7,
dif7,
fad7,
fed7,
fid7,
fie6,
aid4,
die4,
2 letter words:
ax9,
ex9,
xi9,
ef5,
fa5,
fe5,
if5,
ad3,
de3,
ed3,
id3,
ae2,
ai2,