7 letter words:
plumber13,
problem13,
replumb13,
6 letter words:
bumper12,
lumber10,
lumper10,
pueblo10,
pumelo10,
replum10,
rumble10,
rumple10,
umbrel10,
upbore10,
rouble8,
5 letter words:
plumb11,
pombe11,
blume9,
brome9,
brume9,
eprom9,
moble9,
moper9,
omber9,
ombre9,
plume9,
probe9,
proem9,
pulmo9,
rebop9,
rumbo9,
rumpo9,
umbel9,
umber9,
umble9,
umbre9,
blore7,
bluer7,
borel7,
boule7,
brule7,
lemur7,
loper7,
loupe7,
morel7,
oleum7,
poler7,
poule7,
prole7,
proul7,
puler7,
roble7,
rubel7,
ruble7,
loure5,
roule5,
4 letter words:
bump10,
berm8,
boep8,
borm8,
burp8,
lump8,
mobe8,
mope8,
moup8,
ombu8,
perm8,
pleb8,
plum8,
poem8,
pome8,
prem8,
prob8,
prom8,
pube8,
romp8,
rump8,
umbo8,
blue6,
blur6,
bole6,
bore6,
burl6,
lerp6,
lobe6,
lome6,
lope6,
loup6,
lube6,
meou6,
merl6,
moer6,
mole6,
more6,
moue6,
mule6,
mure6,
murl6,
olpe6,
omer6,
plue6,
pole6,
pore6,
pour6,
puer6,
pule6,
pure6,
purl6,
repo6,
robe6,
rope6,
roum6,
roup6,
rube6,
rume6,
eorl4,
euro4,
lore4,
lour4,
lure4,
orle4,
role4,
roue4,
roul4,
rule4,
3 letter words:
bop7,
bum7,
mob7,
mop7,
pom7,
pub7,
ump7,
bel5,
bor5,
bro5,
bru5,
bur5,
elm5,
emo5,
emu5,
lep5,
lob5,
lop5,
lum5,
mel5,
meu5,
moe5,
mol5,
mor5,
mou5,
obe5,
olm5,
ope5,
orb5,
oup5,
per5,
plu5,
pol5,
pre5,
pro5,
pul5,
pur5,
reb5,
rem5,
rep5,
rob5,
rom5,
rub5,
rum5,
upo5,
urb5,
urp5,
leu3,
lor3,
lou3,
lur3,
ole3,
ore3,
our3,
reo3,
roe3,
rue3,
ule3,
ure3,
2 letter words:
be4,
bo4,
em4,
me4,
mo4,
mu4,
ob4,
om4,
op4,
pe4,
po4,
um4,
up4,
el2,
er2,
lo2,
oe2,
or2,
ou2,
re2,
ur2,