5 letter words:
bloop9,
4 letter words:
flop9,
poof9,
fool7,
loof7,
bolo6,
bool6,
boon6,
lobo6,
loop6,
noop6,
obol6,
polo6,
pool6,
poon6,
loon4,
nolo4,
3 letter words:
fob8,
fop8,
bop7,
fon6,
oof6,
bon5,
boo5,
lob5,
lop5,
nob5,
obo5,
oop5,
pol5,
poo5,
loo3,
noo3,
ono3,
oon3,
2 letter words:
of5,
bo4,
ob4,
op4,
po4,
lo2,
no2,
on2,
oo2,