9 letter words:
uncrumple15,
7 letter words:
crumple13,
6 letter words:
cuprum12,
cupule10,
lumpen10,
lumper10,
plenum10,
rumple10,
upcurl10,
curule8,
lucern8,
uncurl8,
unpure8,
5 letter words:
clump11,
crump11,
cupel9,
plume9,
cruel7,
lemur7,
lucre7,
lumen7,
prune7,
puler7,
rumen7,
ulcer7,
uncle7,
4 letter words:
culm8,
lump8,
merc8,
perm8,
plum8,
puce8,
rump8,
clue6,
cure6,
curl6,
curn6,
ecru6,
luce6,
menu6,
merl6,
mule6,
mure6,
neum6,
pule6,
pure6,
purl6,
lune4,
lure4,
nurl4,
rule4,
rune4,
3 letter words:
cep7,
cum7,
cup7,
pec7,
ump7,
cel5,
cru5,
cue5,
cur5,
ecu5,
elm5,
emu5,
lum5,
mel5,
men5,
mun5,
pen5,
per5,
pul5,
pun5,
pur5,
rec5,
rem5,
rep5,
rum5,
urp5,
ern3,
leu3,
rue3,
run3,
ulu3,
urn3,
2 letter words:
em4,
me4,
mu4,
pe4,
um4,
up4,
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,