10 letter words:
coexecutor21,
8 letter words:
executor17,
7 letter words:
coexert16,
coerect11,
ecotour9,
6 letter words:
cortex15,
coerce10,
cooter8,
couter8,
croute8,
5 letter words:
exert12,
oxter12,
occur9,
recce9,
cooee7,
cooer7,
court7,
cruet7,
curet7,
cuter7,
erect7,
eruct7,
recto7,
recut7,
terce7,
truce7,
outer5,
outre5,
route5,
4 letter words:
crux13,
exec13,
roux11,
coco8,
croc8,
cere6,
cero6,
cete6,
coot6,
core6,
cote6,
cure6,
curt6,
cute6,
ecru6,
torc6,
euro4,
rete4,
root4,
rote4,
roto4,
roue4,
rout4,
tore4,
toro4,
tour4,
tree4,
true4,
3 letter words:
cox12,
oxo10,
rex10,
tux10,
cee5,
coo5,
cor5,
cot5,
cru5,
cue5,
cur5,
cut5,
ecu5,
orc5,
rec5,
roc5,
ere3,
oot3,
ore3,
ort3,
our3,
out3,
ree3,
ret3,
roe3,
rot3,
rue3,
rut3,
tee3,
toe3,
too3,
tor3,
ute3,
2 letter words:
ex9,
ox9,
xu9,
er2,
et2,
oe2,
or2,
re2,
to2,
ut2,