5 letter words:
gulps8,
plugs8,
pilus7,
pulis7,
iglus6,
4 letter words:
gips7,
gulp7,
pigs7,
plug7,
pugs7,
lips6,
lisp6,
plus6,
puli6,
puls6,
slip6,
guls5,
iglu5,
lugs5,
slug5,
3 letter words:
gip6,
pig6,
pug6,
lip5,
pis5,
piu5,
psi5,
pul5,
pus5,
sip5,
sup5,
ups5,
gul4,
lug4,
lis3,
2 letter words:
pi4,
up4,
is2,
li2,
si2,
us2,