6 letter words:
puller8,
5 letter words:
prune7,
puler7,
4 letter words:
lerp6,
pell6,
pern6,
plue6,
puer6,
pule6,
pull6,
pure6,
purl6,
lune4,
lure4,
null4,
nurl4,
rule4,
rune4,
3 letter words:
lep5,
nep5,
pen5,
per5,
plu5,
pre5,
pul5,
pun5,
pur5,
rep5,
urp5,
ell3,
ern3,
leu3,
lur3,
nur3,
ren3,
rue3,
run3,
ule3,
ure3,
urn3,
2 letter words:
pe4,
up4,
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,