4 letter words:
pita6,
ptui6,
gait5,
3 letter words:
gap6,
gip6,
pig6,
pug6,
apt5,
pat5,
pia5,
pit5,
piu5,
put5,
tap5,
tip5,
tup5,
gat4,
git4,
gut4,
tag4,
tug4,
ait3,
tau3,
tui3,
uta3,
2 letter words:
pa4,
pi4,
up4,
ag3,
ai2,
at2,
it2,
ta2,
ti2,
ut2,