9 letter words:
curfuffle20,
7 letter words:
fluffer16,
6 letter words:
cuffle14,
ruffle12,
rueful9,
curule8,
5 letter words:
fluff14,
ruffe11,
cruel7,
lucre7,
ulcer7,
4 letter words:
fuff13,
cuff12,
luff10,
ruff10,
clef9,
curf9,
flue7,
fuel7,
furl7,
clue6,
crue6,
cure6,
curl6,
ecru6,
luce6,
lure4,
rule4,
3 letter words:
eff9,
elf6,
erf6,
fer6,
feu6,
flu6,
fur6,
ref6,
cel5,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
leu3,
lur3,
rue3,
ule3,
ulu3,
ure3,
2 letter words:
ef5,
fe5,
el2,
er2,
re2,
ur2,