6 letter words:
ruckus12,
5 letter words:
ricks11,
rucks11,
kurus9,
4 letter words:
cusk10,
rick10,
ruck10,
sick10,
suck10,
irks8,
kirs8,
kris8,
kuru8,
risk8,
rusk8,
cris6,
crus6,
curs6,
uric6,
urus4,
3 letter words:
ick9,
irk7,
kir7,
kis7,
ski7,
suk7,
cis5,
cru5,
cur5,
sic5,
sir3,
sri3,
2 letter words:
ki6,
is2,
si2,
us2,