8 letter words:
upheaped16,
6 letter words:
happed14,
hupped14,
upheap13,
heaped12,
5 letter words:
upped10,
pupae9,
eupad8,
4 letter words:
epha9,
hapu9,
heap9,
puha9,
ahed8,
ehed8,
hade8,
haed8,
haud8,
head8,
heed8,
hued8,
pape8,
peep8,
pupa8,
aped7,
deep7,
dupe7,
peed7,
3 letter words:
hap8,
hep8,
hup8,
pah8,
peh8,
puh8,
app7,
dah7,
duh7,
edh7,
had7,
pap7,
pep7,
pup7,
dap6,
dup6,
hae6,
hue6,
pad6,
ped6,
pud6,
ape5,
pea5,
pee5,
dae4,
dee4,
due4,
aue3,
eau3,
2 letter words:
ah5,
eh5,
ha5,
he5,
uh5,
pa4,
pe4,
up4,
ad3,
da3,
de3,
ed3,
ae2,
ea2,
ee2,