6 letter words:
papain10,
5 letter words:
nappa9,
apian7,
4 letter words:
papa8,
pipa8,
napa6,
nipa6,
pain6,
pian6,
pina6,
3 letter words:
app7,
pap7,
pip7,
nap5,
nip5,
pan5,
pia5,
pin5,
aia3,
ain3,
ana3,
ani3,
2 letter words:
pa4,
pi4,
aa2,
ai2,
an2,
in2,
na2,