5 letter words:
felts8,
lefts8,
4 letter words:
efts7,
felt7,
fens7,
fest7,
fets7,
left7,
self7,
lens4,
lent4,
lest4,
lets4,
nest4,
nets4,
sent4,
tels4,
tens4,
3 letter words:
efs6,
eft6,
elf6,
fen6,
fes6,
fet6,
els3,
ens3,
les3,
let3,
net3,
sel3,
sen3,
set3,
tel3,
ten3,
2 letter words:
ef5,
fe5,
el2,
en2,
es2,
et2,
ne2,