6 letter words:
pedder10,
5 letter words:
preed8,
dered7,
dreed7,
reded7,
4 letter words:
deep7,
peed7,
deed6,
peer6,
pere6,
pree6,
redd6,
deer5,
dere5,
dree5,
ered5,
rede5,
reed5,
3 letter words:
ped6,
pee5,
per5,
pre5,
rep5,
dee4,
red4,
ere3,
ree3,
2 letter words:
pe4,
de3,
ed3,
ee2,
er2,
re2,