5 letter words:
works12,
korus9,
4 letter words:
kows11,
woks11,
work11,
kors8,
koru8,
ouks8,
roks8,
rusk8,
souk8,
rows7,
ours4,
sour4,
3 letter words:
kow10,
wok10,
kor7,
kos7,
ouk7,
rok7,
suk7,
row6,
sow6,
wos6,
wus6,
ors3,
our3,
ous3,
sou3,
sur3,
2 letter words:
ko6,
ow5,
wo5,
or2,
os2,
ou2,
so2,
ur2,
us2,