8 letter words:
pendulum13,
unplumed13,
7 letter words:
unplume11,
6 letter words:
dumple11,
lumped11,
plumed11,
lumpen10,
plenum10,
5 letter words:
umped10,
plume9,
duple8,
ledum8,
muled8,
pendu8,
puled8,
upend8,
upled8,
lumen7,
undue6,
unled6,
4 letter words:
dump9,
lump8,
plum8,
dupe7,
meld7,
mend7,
pend7,
pled7,
pudu7,
menu6,
mule6,
neum6,
plue6,
pule6,
pulu6,
duel5,
dule5,
dune5,
lend5,
leud5,
lude5,
nude5,
unde5,
lune4,
3 letter words:
ump7,
dup6,
med6,
mud6,
ped6,
pud6,
elm5,
emu5,
lep5,
lum5,
mel5,
men5,
meu5,
mun5,
nep5,
pen5,
plu5,
pul5,
pun5,
umu5,
del4,
den4,
due4,
dun4,
eld4,
end4,
led4,
lud4,
ned4,
leu3,
ule3,
ulu3,
2 letter words:
em4,
me4,
mu4,
pe4,
um4,
up4,
de3,
ed3,
el2,
en2,
ne2,
nu2,
un2,
