5 letter words:
korus9,
kusso9,
rusks9,
souks9,
sorus5,
sours5,
4 letter words:
kors8,
koru8,
koss8,
ouks8,
roks8,
rusk8,
souk8,
suks8,
ours4,
sour4,
sous4,
3 letter words:
kor7,
kos7,
ouk7,
rok7,
suk7,
ors3,
our3,
ous3,
sos3,
sou3,
sur3,
sus3,
2 letter words:
ko6,
or2,
os2,
ou2,
so2,
ur2,
us2,