5 letter words:
nerts5,
rents5,
stern5,
terns5,
4 letter words:
erns4,
erst4,
lens4,
lent4,
lest4,
lets4,
nest4,
nets4,
rent4,
rest4,
rets4,
sent4,
tels4,
tens4,
tern4,
tres4,
3 letter words:
els3,
ens3,
ern3,
ers3,
les3,
let3,
net3,
res3,
ret3,
sel3,
sen3,
ser3,
set3,
tel3,
ten3,
2 letter words:
el2,
en2,
er2,
es2,
et2,
ne2,
re2,