5 letter words:
peeps9,
pipes9,
epees7,
peise7,
4 letter words:
peep8,
peps8,
pipe8,
pips8,
pups8,
epee6,
pees6,
pies6,
seep6,
sipe6,
spue6,
supe6,
3 letter words:
pep7,
pip7,
pup7,
pee5,
pes5,
pie5,
pis5,
piu5,
psi5,
pus5,
sip5,
sup5,
ups5,
see3,
sei3,
sue3,
use3,
2 letter words:
pe4,
pi4,
up4,
es2,
is2,
si2,
us2,