7 letter words:
flubber14,
6 letter words:
burble10,
lubber10,
rubble10,
5 letter words:
blurb9,
bluer7,
brule7,
rubel7,
ruble7,
4 letter words:
flub9,
bleb8,
blub8,
bulb8,
burb8,
flue7,
fuel7,
furl7,
blue6,
blur6,
burl6,
lube6,
rube6,
lure4,
rule4,
3 letter words:
fub8,
bub7,
ebb7,
elf6,
erf6,
fer6,
feu6,
flu6,
fur6,
ref6,
bel5,
bru5,
bur5,
reb5,
rub5,
urb5,
leu3,
lur3,
rue3,
ule3,
ure3,
2 letter words:
ef5,
fe5,
be4,
el2,
er2,
re2,
ur2,
