6 letter words:
rotolo6,
5 letter words:
lotto5,
rotor5,
torot5,
4 letter words:
loor4,
loot4,
loto4,
otto4,
root4,
rort4,
rotl4,
roto4,
tolt4,
tool4,
toot4,
toro4,
torr4,
tort4,
trot4,
3 letter words:
loo3,
lor3,
lot3,
oor3,
oot3,
ort3,
roo3,
rot3,
too3,
tor3,
tot3,
2 letter words:
lo2,
oo2,
or2,
to2,