6 letter words:
cutter8,
5 letter words:
cruet7,
curet7,
cuter7,
eruct7,
recut7,
truce7,
utter5,
4 letter words:
cure6,
curt6,
cute6,
ecru6,
tret4,
true4,
3 letter words:
cru5,
cue5,
cur5,
cut5,
ecu5,
rec5,
ret3,
rue3,
rut3,
tet3,
tut3,
ute3,
2 letter words:
er2,
et2,
re2,
ut2,