7 letter words:
houffed17,
6 letter words:
huffed16,
houfed13,
5 letter words:
houff14,
deffo12,
offed12,
4 letter words:
huff13,
doff11,
duff11,
houf10,
feod8,
feud8,
foud8,
hoed8,
hued8,
ohed8,
3 letter words:
eff9,
feh9,
foh9,
off9,
def7,
dof7,
doh7,
duh7,
edh7,
fed7,
fud7,
hod7,
feu6,
foe6,
fou6,
hoe6,
hue6,
ufo6,
doe4,
due4,
duo4,
ode4,
oud4,
udo4,
2 letter words:
ef5,
eh5,
fe5,
he5,
ho5,
of5,
oh5,
uh5,
de3,
do3,
ed3,
od3,
oe2,
ou2,
