5 letter words:
carer7,
corer7,
crore7,
ocrea7,
racer7,
4 letter words:
acre6,
arco6,
care6,
carr6,
cero6,
core6,
orca6,
race6,
aero4,
orra4,
rare4,
rear4,
roar4,
3 letter words:
ace5,
arc5,
car5,
cor5,
oca5,
orc5,
rec5,
roc5,
are3,
ear3,
era3,
err3,
oar3,
ora3,
ore3,
roe3,
2 letter words:
ae2,
ar2,
er2,
oe2,
or2,
re2,