5 letter words:
croze16,
cooer7,
4 letter words:
ooze13,
orzo13,
zero13,
cero6,
core6,
ergo5,
goer5,
gore5,
ogre5,
3 letter words:
coz14,
zoo12,
cog6,
coo5,
cor5,
orc5,
rec5,
roc5,
ego4,
erg4,
goo4,
gor4,
reg4,
ore3,
roe3,
2 letter words:
go3,
er2,
oe2,
or2,
re2,