6 letter words:
cruder9,
curred9,
5 letter words:
crude8,
cured8,
curer7,
recur7,
ruder6,
4 letter words:
cred7,
crud7,
cued7,
curd7,
duce7,
crue6,
cure6,
curr6,
ecru6,
dure5,
durr5,
rude5,
rued5,
urde5,
ruer4,
3 letter words:
cud6,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
due4,
red4,
rud4,
urd4,
err3,
rue3,
ure3,
2 letter words:
de3,
ed3,
er2,
re2,
ur2,