6 letter words:
yappie13,
4 letter words:
pipy11,
yapp11,
yipe9,
pape8,
pipa8,
pipe8,
3 letter words:
pay8,
pya8,
pye8,
yap8,
yep8,
yip8,
app7,
pap7,
pep7,
pip7,
aye6,
yae6,
yea6,
ape5,
pea5,
pia5,
pie5,
2 letter words:
ay5,
ya5,
ye5,
pa4,
pe4,
pi4,
ae2,
ai2,
ea2,