5 letter words:
corer7,
coure7,
crore7,
cruor7,
curer7,
recur7,
4 letter words:
cero6,
core6,
cour6,
crue6,
cure6,
curr6,
ecru6,
euro4,
rore4,
roue4,
ruer4,
3 letter words:
cor5,
cru5,
cue5,
cur5,
eco5,
ecu5,
orc5,
rec5,
roc5,
ruc5,
err3,
ore3,
our3,
reo3,
roe3,
rue3,
ure3,
2 letter words:
er2,
oe2,
or2,
ou2,
re2,
ur2,