7 letter words:
pithead13,
6 letter words:
heptad12,
pithed12,
5 letter words:
aphid11,
depth11,
death9,
hated9,
adept8,
pated8,
taped8,
tepid8,
pieta7,
4 letter words:
epha9,
heap9,
path9,
phat9,
pith9,
ahed8,
hade8,
haed8,
head8,
hide8,
hied8,
aped7,
dipt7,
eath7,
haet7,
hate7,
heat7,
padi7,
paid7,
pied7,
thae7,
pate6,
peat6,
pita6,
tape6,
tepa6,
adit5,
aide5,
date5,
diet5,
dita5,
dite5,
edit5,
idea5,
tide5,
tied5,
3 letter words:
hap8,
hep8,
hip8,
pah8,
peh8,
phi8,
pht8,
dah7,
edh7,
had7,
hid7,
ahi6,
dap6,
dip6,
eth6,
hae6,
hat6,
het6,
hie6,
hit6,
pad6,
ped6,
the6,
ape5,
apt5,
pat5,
pea5,
pet5,
pia5,
pie5,
pit5,
tap5,
tip5,
aid4,
die4,
dit4,
tad4,
ted4,
ait3,
ate3,
eat3,
eta3,
tae3,
tea3,
tie3,
2 letter words:
ah5,
eh5,
ha5,
he5,
hi5,
pa4,
pe4,
pi4,
ad3,
de3,
ed3,
id3,
ae2,
ai2,
at2,
et2,
it2,
ta2,
ti2,