5 letter words:
apsis7,
aspis7,
4 letter words:
asps6,
pais6,
pass6,
pias6,
piss6,
psis6,
puss6,
saps6,
sips6,
spas6,
sups6,
upas6,
sais4,
3 letter words:
asp5,
pas5,
pia5,
pis5,
piu5,
psi5,
pus5,
sap5,
sip5,
spa5,
sup5,
ups5,
ais3,
ass3,
sai3,
sau3,
sis3,
sui3,
sus3,
2 letter words:
pa4,
pi4,
up4,
ai2,
as2,
is2,
si2,
us2,