5 letter words:
plumb11,
pulmo9,
4 letter words:
bump10,
mump10,
lump8,
moup8,
ombu8,
plum8,
umbo8,
loup6,
3 letter words:
bop7,
bum7,
mob7,
mom7,
mop7,
mum7,
pom7,
pub7,
umm7,
ump7,
lob5,
lop5,
lum5,
mol5,
mou5,
olm5,
oup5,
plu5,
pol5,
pul5,
upo5,
lou3,
2 letter words:
mm6,
bo4,
mo4,
mu4,
ob4,
om4,
op4,
po4,
um4,
up4,
lo2,
ou2,