6 letter words:
pastis8,
spaits8,
stipas8,
5 letter words:
apsis7,
aspis7,
pasts7,
pitas7,
spait7,
spats7,
spits7,
staps7,
stipa7,
tapis7,
tipis7,
saist5,
satis5,
4 letter words:
apts6,
asps6,
pais6,
pass6,
past6,
pats6,
pias6,
piss6,
pita6,
pits6,
psis6,
psst6,
saps6,
sips6,
spas6,
spat6,
spit6,
stap6,
taps6,
tipi6,
tips6,
aits4,
isit4,
itas4,
sais4,
sati4,
sist4,
sits4,
tais4,
tass4,
3 letter words:
apt5,
asp5,
pas5,
pat5,
pia5,
pis5,
pit5,
psi5,
pst5,
sap5,
sip5,
spa5,
tap5,
tip5,
ais3,
ait3,
ass3,
ita3,
its3,
sai3,
sat3,
sis3,
sit3,
tai3,
tas3,
tis3,
2 letter words:
pa4,
pi4,
ai2,
as2,
at2,
is2,
it2,
si2,
st2,
ta2,
ti2,