5 letter words:
creel7,
cruel7,
lucre7,
ulcer7,
4 letter words:
cere6,
clue6,
cure6,
curl6,
ecru6,
luce6,
leer4,
lure4,
reel4,
rule4,
3 letter words:
cee5,
cel5,
cru5,
cue5,
cur5,
ecu5,
rec5,
eel3,
ere3,
lee3,
leu3,
ree3,
rue3,
2 letter words:
el2,
er2,
re2,