5 letter words:
incur7,
runic7,
unrid6,
4 letter words:
crud7,
curd7,
duci7,
curn6,
unci6,
uric6,
durn5,
nurd5,
rind5,
rund5,
ruin4,
3 letter words:
cid6,
cud6,
cru5,
cur5,
ruc5,
din4,
dui4,
dun4,
nid4,
rid4,
rud4,
urd4,
nur3,
rin3,
run3,
uni3,
urn3,
2 letter words:
di3,
id3,
in2,
nu2,
un2,
ur2,