6 letter words:
penful11,
5 letter words:
flued9,
unfed9,
duple8,
pendu8,
puled8,
upend8,
upled8,
unled6,
4 letter words:
pelf9,
delf8,
fend8,
feud8,
fled8,
fund8,
dupe7,
enuf7,
flue7,
fuel7,
pend7,
pled7,
plue6,
pule6,
duel5,
dule5,
dune5,
lend5,
leud5,
lude5,
nude5,
unde5,
lune4,
3 letter words:
def7,
fed7,
fud7,
dup6,
elf6,
fen6,
feu6,
flu6,
fun6,
nef6,
ped6,
pud6,
lep5,
nep5,
pen5,
plu5,
pul5,
pun5,
del4,
den4,
due4,
dun4,
eld4,
end4,
led4,
lud4,
ned4,
leu3,
ule3,
2 letter words:
ef5,
fe5,
pe4,
up4,
de3,
ed3,
el2,
en2,
ne2,
nu2,
un2,