7 letter words:
forworn13,
5 letter words:
frown11,
frorn8,
4 letter words:
frow10,
woof10,
roof7,
woon7,
worn7,
roon4,
3 letter words:
wof9,
fon6,
for6,
fro6,
now6,
oof6,
orf6,
own6,
row6,
won6,
woo6,
noo3,
nor3,
ono3,
oon3,
oor3,
roo3,
2 letter words:
of5,
ow5,
wo5,
no2,
on2,
oo2,
or2,