5 letter words:
bloop9,
oboli7,
polio7,
4 letter words:
blip8,
boil6,
bolo6,
bool6,
lipo6,
lobi6,
lobo6,
loop6,
obol6,
polo6,
pool6,
olio4,
3 letter words:
bop7,
bio5,
boi5,
boo5,
lib5,
lip5,
lob5,
lop5,
obi5,
obo5,
oop5,
poi5,
pol5,
poo5,
loo3,
oil3,
2 letter words:
bi4,
bo4,
ob4,
op4,
pi4,
po4,
io2,
li2,
lo2,
oi2,
oo2,