9 letter words:
outfumble16,
6 letter words:
fumble13,
befoul11,
tubful11,
tumble10,
luteum8,
mutuel8,
mutule8,
tubule8,
5 letter words:
flume10,
fumet10,
blume9,
umbel9,
flout8,
flute8,
bluet7,
botel7,
boule7,
buteo7,
butle7,
metol7,
motel7,
moult7,
oleum7,
4 letter words:
bumf11,
flub9,
fume9,
tomb8,
umbo8,
felt7,
floe7,
flue7,
foul7,
fuel7,
left7,
loft7,
tofu7,
belt6,
blet6,
blot6,
blue6,
bole6,
bolt6,
bout6,
bute6,
lobe6,
lube6,
melt6,
meou6,
mole6,
molt6,
mote6,
moue6,
mule6,
mute6,
tome6,
tube6,
lout4,
lute4,
tole4,
tolu4,
tule4,
3 letter words:
fem8,
fob8,
fub8,
bum7,
mob7,
eft6,
elf6,
fet6,
feu6,
flu6,
foe6,
fou6,
oft6,
bel5,
bet5,
bot5,
but5,
elm5,
emu5,
lob5,
lum5,
mel5,
met5,
mol5,
mot5,
mut5,
obe5,
tom5,
tub5,
let3,
leu3,
lot3,
ole3,
out3,
tel3,
toe3,
ulu3,
ute3,
2 letter words:
ef5,
fe5,
of5,
be4,
bo4,
em4,
me4,
mo4,
mu4,
om4,
um4,
el2,
et2,
lo2,
oe2,
to2,
ut2,