10 letter words:
corroboree14,
6 letter words:
rebore8,
5 letter words:
rebec9,
borer7,
cooee7,
cooer7,
corer7,
crore7,
error5,
4 letter words:
beer6,
boor6,
bore6,
bree6,
broo6,
brrr6,
cere6,
cero6,
core6,
oboe6,
robe6,
3 letter words:
cob7,
bee5,
boo5,
bro5,
brr5,
cee5,
coo5,
cor5,
obe5,
orb5,
orc5,
reb5,
rec5,
rob5,
roc5,
ere3,
err3,
ore3,
ree3,
roe3,
2 letter words:
be4,
bo4,
er2,
oe2,
or2,
re2,