6 letter words:
uncini8,
5 letter words:
incur7,
ricin7,
runic7,
inrun5,
inurn5,
4 letter words:
zinc15,
curn6,
unci6,
uric6,
ruin4,
3 letter words:
cuz14,
riz12,
zin12,
cru5,
cur5,
ruc5,
inn3,
nun3,
nur3,
rin3,
run3,
uni3,
urn3,
2 letter words:
in2,
nu2,
un2,
ur2,