7 letter words:
boerbul11,
6 letter words:
burble10,
lobber10,
lubber10,
rubble10,
rouble8,
5 letter words:
berob9,
blurb9,
blore7,
bluer7,
borel7,
boule7,
brule7,
roble7,
rubel7,
ruble7,
loure5,
roule5,
4 letter words:
bleb8,
blob8,
blub8,
bubo8,
bulb8,
burb8,
blue6,
blur6,
bole6,
bore6,
burl6,
lobe6,
lube6,
robe6,
rube6,
eorl4,
euro4,
lore4,
lour4,
lure4,
orle4,
role4,
roue4,
roul4,
rule4,
3 letter words:
bob7,
bub7,
ebb7,
bel5,
bor5,
bro5,
bru5,
bur5,
lob5,
obe5,
orb5,
reb5,
rob5,
rub5,
urb5,
leu3,
lor3,
lou3,
lur3,
ole3,
ore3,
our3,
reo3,
roe3,
rue3,
ule3,
ure3,
2 letter words:
be4,
bo4,
ob4,
el2,
er2,
lo2,
oe2,
or2,
ou2,
re2,
ur2,
