5 letter words:
fesse8,
fests8,
fetes8,
4 letter words:
efts7,
fees7,
feet7,
fess7,
fest7,
fete7,
fets7,
tefs7,
eses4,
esse4,
ests4,
sees4,
sese4,
sets4,
tees4,
3 letter words:
efs6,
eft6,
fee6,
fes6,
fet6,
tef6,
ess3,
est3,
see3,
set3,
tee3,
tes3,
2 letter words:
ef5,
fe5,
ee2,
es2,
et2,
st2,
te2,