7 letter words:
rootier7,
6 letter words:
rioter6,
rooter6,
torero6,
5 letter words:
oorie5,
retro5,
rotor5,
trier5,
4 letter words:
riot4,
rite4,
root4,
rote4,
roti4,
roto4,
tier4,
tire4,
tiro4,
tore4,
tori4,
toro4,
torr4,
trio4,
3 letter words:
err3,
ire3,
oot3,
ore3,
ort3,
rei3,
ret3,
roe3,
rot3,
tie3,
toe3,
too3,
tor3,
2 letter words:
er2,
et2,
it2,
oe2,
oi2,
or2,
re2,
ti2,
to2,