4 letter words:
wowf13,
frow10,
woof10,
coof9,
corf9,
crow9,
curf9,
four7,
roof7,
cour6,
3 letter words:
wof9,
wow9,
cow8,
for6,
fou6,
fro6,
fur6,
oof6,
orf6,
row6,
ufo6,
woo6,
coo5,
cor5,
cru5,
cur5,
orc5,
roc5,
ruc5,
oor3,
our3,
roo3,
2 letter words:
of5,
ow5,
wo5,
oo2,
or2,
ou2,
ur2,