7 letter words:
pupfish17,
6 letter words:
uppish13,
4 letter words:
fish10,
hips9,
pfui9,
phis9,
pish9,
push9,
ship9,
pips8,
pups8,
3 letter words:
hip8,
hup8,
phi8,
pip7,
pup7,
his6,
ifs6,
pis5,
piu5,
psi5,
pus5,
sip5,
sup5,
ups5,
2 letter words:
hi5,
if5,
sh5,
uh5,
pi4,
up4,
is2,
si2,
us2,