7 letter words:
accurst11,
6 letter words:
cactus10,
crusta8,
curats8,
5 letter words:
arcus7,
carts7,
crust7,
curat7,
curst7,
scart7,
scaur7,
scrat7,
scuta7,
ratus5,
surat5,
sutra5,
4 letter words:
acts6,
arcs6,
cars6,
cart6,
cast6,
cats6,
crus6,
curs6,
curt6,
cuts6,
rucs6,
scar6,
scat6,
scur6,
scut6,
arts4,
rast4,
rats4,
ratu4,
rusa4,
rust4,
ruts4,
saut4,
star4,
sura4,
tars4,
taus4,
tsar4,
ursa4,
utas4,
3 letter words:
act5,
arc5,
car5,
cat5,
cru5,
cur5,
cut5,
ruc5,
sac5,
ars3,
art3,
ras3,
rat3,
rut3,
sar3,
sat3,
sau3,
sur3,
tar3,
tas3,
tau3,
uta3,
uts3,
2 letter words:
ar2,
as2,
at2,
st2,
ta2,
ur2,
us2,
ut2,