5 letter words:
bloop9,
broil7,
oboli7,
orlop7,
polio7,
poori7,
4 letter words:
blip8,
birl6,
biro6,
boil6,
bolo6,
boor6,
brio6,
broo6,
lobo6,
loop6,
obol6,
polo6,
pool6,
poor6,
olio4,
roil4,
3 letter words:
bop7,
bio5,
boo5,
bro5,
lib5,
lip5,
lob5,
lop5,
obi5,
orb5,
poi5,
pol5,
poo5,
pro5,
rib5,
rip5,
rob5,
loo3,
oil3,
2 letter words:
bi4,
bo4,
op4,
pi4,
li2,
lo2,
oi2,
or2,