6 letter words:
toffee12,
5 letter words:
often8,
nonet5,
tenon5,
tonne5,
4 letter words:
teff10,
toff10,
feet7,
fete7,
font7,
nene4,
neon4,
none4,
note4,
teen4,
tone4,
3 letter words:
eff9,
off9,
eft6,
fee6,
fen6,
fet6,
foe6,
fon6,
oft6,
eon3,
nee3,
net3,
not3,
one3,
tee3,
ten3,
toe3,
ton3,
2 letter words:
ef5,
fe5,
of5,
en2,
et2,
ne2,
no2,
oe2,
on2,
to2,