6 letter words:
cortex15,
5 letter words:
oxter12,
recto7,
4 letter words:
cero6,
core6,
cote6,
torc6,
rote4,
tore4,
3 letter words:
cox12,
rex10,
cor5,
cot5,
orc5,
rec5,
roc5,
ore3,
ort3,
ret3,
roe3,
rot3,
toe3,
tor3,
2 letter words:
ex9,
ox9,
er2,
et2,
oe2,
or2,
re2,
to2,