6 letter words:
piupiu10,
5 letter words:
appui9,
pinup9,
4 letter words:
pipa8,
pipi8,
pupa8,
pupu8,
nipa6,
pain6,
pian6,
pina6,
puna6,
inia4,
unai4,
unau4,
3 letter words:
app7,
pap7,
pip7,
pup7,
nap5,
nip5,
pan5,
pia5,
pin5,
piu5,
pun5,
ain3,
ani3,
uni3,
2 letter words:
pa4,
pi4,
up4,
ai2,
an2,
in2,
na2,
nu2,
un2,