6 letter words:
etrier6,
reiter6,
retire6,
retore6,
rioter6,
toeier6,
5 letter words:
retie5,
retro5,
rorie5,
trier5,
trior5,
4 letter words:
rete4,
riot4,
rite4,
rore4,
rort4,
rote4,
roti4,
teer4,
tier4,
tire4,
tiro4,
tirr4,
tore4,
tori4,
torr4,
tree4,
trie4,
trio4,
3 letter words:
ere3,
err3,
ire3,
ore3,
ort3,
ree3,
rei3,
reo3,
ret3,
rit3,
roe3,
rot3,
tee3,
tie3,
toe3,
tor3,
2 letter words:
ee2,
er2,
et2,
io2,
it2,
oe2,
oi2,
or2,
re2,
te2,
ti2,
to2,