6 letter words:
coorie8,
5 letter words:
cooer7,
oorie5,
4 letter words:
cero6,
cire6,
coir6,
core6,
eric6,
icer6,
rice6,
3 letter words:
coo5,
cor5,
eco5,
ice5,
orc5,
rec5,
roc5,
ire3,
oor3,
ore3,
rei3,
reo3,
roe3,
roo3,
2 letter words:
er2,
io2,
oe2,
oi2,
oo2,
or2,
re2,
