11 letter words:
dumbfounded21,
10 letter words:
dumfounded18,
9 letter words:
dumbfound18,
8 letter words:
dumfound15,
unbudded13,
duodenum12,
7 letter words:
unfumed13,
embound12,
fondued12,
founded12,
bounded11,
mounded11,
6 letter words:
dumbed12,
budded11,
defund11,
fonded11,
funded11,
mudded11,
numbed11,
bonded10,
bunded10,
fondue10,
bouned9,
menudo9,
nodded9,
5 letter words:
fumed11,
bemud10,
boeuf10,
demob10,
dumbo10,
boded9,
debud9,
domed9,
fondu9,
found9,
unfed9,
boned8,
bound8,
bunde8,
bundu8,
demon8,
duded8,
monde8,
mound8,
odeum8,
unbed8,
undue6,
4 letter words:
bumf11,
bufo9,
dumb9,
fume9,
fend8,
feod8,
feud8,
fond8,
foud8,
fund8,
mobe8,
numb8,
ombu8,
umbo8,
bedu7,
bend7,
bode7,
bond7,
budo7,
bund7,
demo7,
dome7,
doum7,
enuf7,
foen7,
fone7,
mend7,
mode7,
bone6,
boun6,
dude6,
dued6,
ebon6,
eddo6,
meno6,
menu6,
meou6,
moue6,
muon6,
neum6,
nome6,
omen6,
unbe6,
doen5,
done5,
doun5,
dune5,
node5,
nude5,
udon5,
unde5,
undo5,
3 letter words:
fem8,
fob8,
fub8,
fum8,
bum7,
def7,
dof7,
fed7,
fud7,
mob7,
bed6,
bod6,
bud6,
deb6,
dob6,
dom6,
dub6,
fen6,
feu6,
foe6,
fon6,
fou6,
fun6,
med6,
mod6,
mud6,
nef6,
ufo6,
ben5,
bon5,
bun5,
dod5,
dud5,
emo5,
emu5,
men5,
meu5,
moe5,
mon5,
mou5,
mun5,
neb5,
nob5,
nom5,
nub5,
obe5,
odd5,
umu5,
den4,
doe4,
don4,
due4,
dun4,
duo4,
end4,
ned4,
nod4,
ode4,
oud4,
udo4,
eon3,
one3,
2 letter words:
ef5,
fe5,
of5,
be4,
bo4,
em4,
me4,
mo4,
mu4,
ob4,
om4,
um4,
de3,
do3,
ed3,
od3,
en2,
ne2,
no2,
nu2,
oe2,
on2,
ou2,
un2,