4 letter words:
work11,
kolo8,
koro8,
koru8,
look8,
lurk8,
oulk8,
rook8,
wool7,
loor4,
lour4,
roul4,
3 letter words:
kow10,
wok10,
kor7,
ouk7,
rok7,
low6,
owl6,
row6,
woo6,
loo3,
lor3,
lou3,
lur3,
oor3,
our3,
roo3,
2 letter words:
ko6,
ow5,
wo5,
lo2,
oo2,
or2,
ou2,
ur2,