5 letter words:
bloop9,
cloop9,
4 letter words:
bloc8,
clop8,
coop8,
poco8,
bolo6,
bool6,
cool6,
lobo6,
loco6,
loop6,
obol6,
polo6,
pool6,
3 letter words:
bop7,
cob7,
cop7,
boo5,
col5,
coo5,
lob5,
lop5,
obo5,
oop5,
pol5,
poo5,
loo3,
2 letter words:
bo4,
ob4,
op4,
po4,
lo2,
oo2,