7 letter words:
raucous9,
6 letter words:
soucar8,
aurous6,
5 letter words:
arcus7,
orcas7,
scaur7,
scour7,
4 letter words:
arco6,
arcs6,
cars6,
cors6,
crus6,
curs6,
ocas6,
orca6,
orcs6,
rocs6,
scar6,
soca6,
oars4,
osar4,
ours4,
soar4,
sora4,
sour4,
sura4,
ursa4,
urus4,
3 letter words:
arc5,
car5,
cor5,
cos5,
cru5,
cur5,
oca5,
orc5,
roc5,
sac5,
ars3,
oar3,
ora3,
ors3,
our3,
ras3,
sau3,
sou3,
2 letter words:
ar2,
as2,
or2,
os2,
so2,
us2,