4 letter words:
pfui9,
pupa8,
fiat7,
tufa7,
pita6,
ptui6,
3 letter words:
app7,
pap7,
pip7,
pup7,
aft6,
fat6,
fit6,
apt5,
pat5,
pia5,
pit5,
piu5,
put5,
tap5,
tip5,
tup5,
ait3,
tau3,
tui3,
uta3,
2 letter words:
fa5,
if5,
pa4,
pi4,
up4,
ai2,
at2,
it2,
ta2,
ti2,
ut2,