5 letter words:
piano7,
4 letter words:
jiao11,
join11,
nipa6,
pain6,
pian6,
pina6,
pion6,
naoi4,
3 letter words:
jap12,
jai10,
jin10,
apo5,
nap5,
nip5,
pan5,
pia5,
pin5,
poa5,
poi5,
ain3,
ani3,
ion3,
2 letter words:
ja9,
jo9,
op4,
pa4,
pi4,
po4,
ai2,
an2,
in2,
io2,
na2,
no2,
oi2,
on2,