5 letter words:
bloop9,
oboli7,
polio7,
4 letter words:
blip8,
blin6,
boil6,
bolo6,
bool6,
boon6,
lipo6,
lobi6,
lobo6,
loop6,
noop6,
obol6,
pion6,
polo6,
pool6,
poon6,
lino4,
lion4,
loin4,
loon4,
noil4,
nolo4,
olio4,
3 letter words:
bop7,
bin5,
bio5,
boi5,
bon5,
boo5,
lib5,
lip5,
lob5,
lop5,
nib5,
nip5,
nob5,
obi5,
obo5,
oop5,
pin5,
poi5,
pol5,
poo5,
ion3,
lin3,
loo3,
nil3,
noo3,
oil3,
ono3,
oon3,
2 letter words:
bi4,
bo4,
ob4,
op4,
pi4,
po4,
in2,
io2,
li2,
lo2,
no2,
oi2,
on2,
oo2,