7 letter words:
corpora11,
5 letter words:
copra9,
4 letter words:
capo8,
carp8,
coop8,
crap8,
crop8,
paco8,
poco8,
arco6,
carr6,
orca6,
parr6,
poor6,
prao6,
proa6,
proo6,
roop6,
orra4,
roar4,
3 letter words:
cap7,
cop7,
pac7,
apo5,
arc5,
car5,
coo5,
cor5,
oca5,
oop5,
orc5,
par5,
poa5,
poo5,
pro5,
rap5,
roc5,
oar3,
oor3,
ora3,
roo3,
2 letter words:
op4,
pa4,
po4,
ar2,
oo2,
or2,