7 letter words:
fennecs12,
6 letter words:
fences11,
fennec11,
5 letter words:
feces10,
fence10,
cense7,
scene7,
nenes5,
4 letter words:
fees7,
fens7,
cees6,
esne4,
nene4,
seen4,
sene4,
3 letter words:
efs6,
fee6,
fen6,
fes6,
cee5,
sec5,
ens3,
nee3,
see3,
sen3,
2 letter words:
ef5,
fe5,
en2,
es2,
ne2,