5 letter words:
boric9,
poori7,
4 letter words:
coop8,
crib8,
crop8,
poco8,
prob8,
biro6,
boor6,
brio6,
broo6,
coir6,
poor6,
proo6,
roop6,
3 letter words:
bop7,
cob7,
cop7,
pic7,
bio5,
boi5,
boo5,
bor5,
bro5,
coo5,
cor5,
obi5,
obo5,
oop5,
orb5,
orc5,
pir5,
poi5,
poo5,
pro5,
rib5,
rip5,
rob5,
roc5,
oor3,
roo3,
2 letter words:
bi4,
bo4,
ob4,
op4,
pi4,
po4,
io2,
oi2,
oo2,
or2,