4 letter words:
into4,
nott4,
nout4,
oint4,
tint4,
toit4,
toun4,
tout4,
unit4,
unto4,
3 letter words:
ion3,
nit3,
not3,
nut3,
out3,
tin3,
tit3,
ton3,
tot3,
tui3,
tun3,
tut3,
uni3,
2 letter words:
in2,
io2,
it2,
no2,
nu2,
oi2,
on2,
ou2,
ti2,
to2,
un2,
ut2,