5 letter words:
faxes15,
4 letter words:
faux14,
axes11,
eaux11,
feus7,
fuse7,
safe7,
3 letter words:
fax13,
axe10,
sax10,
sex10,
efs6,
fas6,
fes6,
feu6,
eau3,
sae3,
sau3,
sea3,
sue3,
use3,
2 letter words:
ax9,
ex9,
xu9,
ef5,
fa5,
fe5,
ae2,
as2,
es2,
us2,