5 letter words:
fondu9,
found9,
hound9,
4 letter words:
fohn10,
hunh10,
fond8,
fund8,
udon5,
undo5,
3 letter words:
foh9,
huh9,
duh7,
fud7,
hod7,
fon6,
fou6,
fun6,
hon6,
hun6,
noh6,
don4,
dun4,
duo4,
nod4,
oud4,
udo4,
2 letter words:
ho5,
of5,
oh5,
uh5,
do3,
od3,
no2,
nu2,
on2,
un2,