11 letter words:
dumfounding19,
8 letter words:
dumfound15,
fonduing13,
founding13,
mounding12,
mundungo12,
7 letter words:
fonding12,
funding12,
fungoid12,
mudding12,
unfound11,
nodding10,
undoing9,
6 letter words:
fuming12,
doming10,
unfond10,
duding9,
gonium9,
mignon9,
guidon8,
5 letter words:
fondu9,
found9,
fugio9,
fundi9,
fungi9,
fungo9,
gonif9,
duomi8,
mound8,
mungo8,
odium8,
dingo7,
doing7,
onium7,
undid7,
union5,
4 letter words:
fido8,
find8,
fond8,
fugu8,
fund8,
doum7,
fino7,
foin7,
info7,
mind7,
modi7,
dido6,
ding6,
dong6,
dung6,
guid6,
muni6,
muon6,
dino5,
nodi5,
udon5,
undo5,
noun4,
3 letter words:
dif7,
fid7,
fig7,
fog7,
fud7,
fug7,
dim6,
dom6,
fin6,
fon6,
fou6,
fun6,
gum6,
mid6,
mig6,
mod6,
mog6,
mud6,
mug6,
did5,
dig5,
dog5,
dud5,
dug5,
gid5,
god5,
mon5,
mun5,
nim5,
nom5,
odd5,
din4,
don4,
dui4,
dun4,
duo4,
gin4,
gnu4,
gun4,
nod4,
nog4,
oud4,
udo4,
inn3,
ion3,
nun3,
2 letter words:
if5,
of5,
mi4,
mo4,
mu4,
om4,
um4,
do3,
go3,
id3,
od3,
in2,
no2,
nu2,
oi2,
on2,
un2,