5 letter words:
bloop9,
boult7,
poult7,
4 letter words:
blot6,
bolo6,
bolt6,
bool6,
boot6,
bout6,
lobo6,
loop6,
loup6,
obol6,
plot6,
polo6,
polt6,
pool6,
poot6,
pout6,
topo6,
loot4,
loto4,
lout4,
tolu4,
tool4,
3 letter words:
bop7,
pub7,
boo5,
bot5,
but5,
lob5,
lop5,
obo5,
oop5,
opt5,
oup5,
plu5,
pol5,
poo5,
pot5,
pul5,
put5,
top5,
tub5,
tup5,
upo5,
loo3,
lot3,
lou3,
oot3,
out3,
too3,
2 letter words:
bo4,
ob4,
op4,
po4,
up4,
lo2,
oo2,
ou2,
to2,
ut2,