6 letter words:
incurs8,
5 letter words:
curns7,
cursi7,
incur7,
incus7,
runic7,
ruins5,
4 letter words:
cris6,
crus6,
curn6,
curs6,
rucs6,
scur6,
unci6,
uric6,
nurs4,
rins4,
ruin4,
runs4,
unis4,
urns4,
3 letter words:
cis5,
cru5,
cur5,
ruc5,
sic5,
ins3,
nis3,
nur3,
nus3,
rin3,
run3,
sin3,
sir3,
sri3,
sui3,
sun3,
sur3,
uni3,
uns3,
urn3,
2 letter words:
in2,
is2,
nu2,
si2,
un2,
ur2,
us2,