7 letter words:
reoccur11,
5 letter words:
occur9,
corer7,
crore7,
cruor7,
curer7,
recur7,
4 letter words:
croc8,
cero6,
core6,
cure6,
curr6,
ecru6,
euro4,
roue4,
ruer4,
3 letter words:
cor5,
cru5,
cue5,
cur5,
ecu5,
orc5,
rec5,
roc5,
err3,
ore3,
our3,
roe3,
rue3,
2 letter words:
er2,
oe2,
or2,
re2,
