6 letter words:
acarus8,
5 letter words:
arcus7,
causa7,
sacra7,
scaur7,
auras5,
4 letter words:
arcs6,
caas6,
cars6,
casa6,
crus6,
curs6,
raca6,
rucs6,
scar6,
scur6,
asar4,
aura4,
rusa4,
sura4,
ursa4,
3 letter words:
arc5,
caa5,
car5,
cru5,
cur5,
ruc5,
sac5,
aas3,
ars3,
aua3,
ras3,
sar3,
sau3,
sur3,
2 letter words:
aa2,
ar2,
as2,
ur2,
us2,