6 letter words:
furrow12,
5 letter words:
furor8,
4 letter words:
frow10,
woof10,
four7,
furr7,
roof7,
3 letter words:
wof9,
fir6,
for6,
fou6,
fro6,
fur6,
oof6,
orf6,
rif6,
row6,
ufo6,
woo6,
oor3,
our3,
roo3,
2 letter words:
if5,
of5,
ow5,
wo5,
io2,
oi2,
oo2,
or2,
ou2,
ur2,