7 letter words:
fronton10,
5 letter words:
fordo9,
frond9,
front8,
donor6,
rondo6,
tondo6,
4 letter words:
fond8,
food8,
ford8,
font7,
foot7,
fort7,
roof7,
door5,
odor5,
ordo5,
rood5,
trod5,
noon4,
onto4,
root4,
roto4,
toon4,
torn4,
toro4,
3 letter words:
fon6,
for6,
fro6,
oft6,
don4,
dor4,
dot4,
nod4,
rod4,
tod4,
noo3,
nor3,
not3,
ono3,
oot3,
ort3,
rot3,
ton3,
too3,
tor3,
2 letter words:
of5,
do3,
od3,
no2,
on2,
or2,
to2,