6 letter words:
cotter8,
tercet8,
5 letter words:
erect7,
octet7,
recto7,
terce7,
otter5,
rotte5,
torte5,
toter5,
4 letter words:
cere6,
cero6,
cete6,
core6,
cote6,
torc6,
rete4,
rote4,
tore4,
tort4,
tote4,
tree4,
tret4,
trot4,
3 letter words:
cee5,
cor5,
cot5,
orc5,
rec5,
roc5,
ere3,
ore3,
ort3,
ree3,
ret3,
roe3,
rot3,
tee3,
tet3,
toe3,
tor3,
tot3,
2 letter words:
er2,
et2,
oe2,
or2,
re2,
to2,