4 letter words:
nett4,
note4,
nott4,
onto4,
oont4,
otto4,
tent4,
tone4,
toon4,
toot4,
tote4,
3 letter words:
eon3,
net3,
noo3,
not3,
one3,
ono3,
oon3,
oot3,
ten3,
tet3,
toe3,
ton3,
too3,
tot3,
2 letter words:
en2,
et2,
ne2,
no2,
oe2,
on2,
oo2,
te2,
to2,