7 letter words:
bebeeru11,
beetler9,
6 letter words:
burble10,
lubber10,
rubbet10,
rubble10,
tubber10,
beetle8,
belter8,
butler8,
treble8,
5 letter words:
blurb9,
ebbet9,
rebbe9,
belee7,
beret7,
betel7,
blert7,
bluer7,
bluet7,
blurt7,
brule7,
brute7,
buret7,
butle7,
rebel7,
rebut7,
rubel7,
ruble7,
tuber7,
elute5,
luter5,
relet5,
4 letter words:
bleb8,
blub8,
bulb8,
burb8,
beer6,
beet6,
belt6,
bere6,
bete6,
blee6,
blet6,
blue6,
blur6,
bree6,
brut6,
burl6,
bute6,
lube6,
rube6,
tube6,
leer4,
leet4,
lere4,
lure4,
lute4,
reel4,
rete4,
rule4,
teel4,
teer4,
tele4,
tree4,
true4,
tule4,
3 letter words:
bub7,
ebb7,
bee5,
bel5,
bet5,
bru5,
bur5,
but5,
reb5,
rub5,
tub5,
urb5,
eel3,
elt3,
ere3,
lee3,
let3,
leu3,
lur3,
ree3,
ret3,
rue3,
rut3,
tee3,
tel3,
ule3,
ure3,
ute3,
2 letter words:
be4,
ee2,
el2,
er2,
et2,
re2,
te2,
ur2,
ut2,