4 letter words:
gaps7,
gasp7,
gips7,
pigs7,
pugs7,
pias6,
upas6,
3 letter words:
gap6,
gip6,
pig6,
pug6,
asp5,
pas5,
pia5,
pis5,
piu5,
psi5,
pus5,
sap5,
sip5,
spa5,
sup5,
ups5,
ags4,
gas4,
sag4,
ais3,
sau3,
2 letter words:
pa4,
pi4,
up4,
ag3,
ai2,
as2,
is2,
si2,
us2,