8 letter words:
totterer8,
7 letter words:
trotter7,
6 letter words:
rezero15,
retore6,
retort6,
rotter6,
terret6,
tetter6,
totter6,
5 letter words:
otter5,
retro5,
rotte5,
torte5,
toter5,
4 letter words:
zero13,
rete4,
rote4,
tore4,
torr4,
tort4,
tote4,
tree4,
tret4,
trot4,
3 letter words:
zee12,
ere3,
err3,
ore3,
ort3,
ree3,
ret3,
roe3,
rot3,
tee3,
tet3,
toe3,
tor3,
tot3,
2 letter words:
er2,
et2,
oe2,
or2,
re2,
to2,