5 letter words:
fents8,
4 letter words:
efts7,
fens7,
fent7,
fest7,
fets7,
nefs7,
tefs7,
nest4,
nets4,
sent4,
sten4,
tens4,
3 letter words:
efs6,
eft6,
fen6,
fes6,
fet6,
nef6,
tef6,
ens3,
est3,
net3,
sen3,
set3,
ten3,
tes3,
2 letter words:
ef5,
fe5,
en2,
es2,
et2,
ne2,
st2,
te2,
