5 letter words:
zippy21,
yippy15,
sippy12,
spiry10,
ripps9,
4 letter words:
sizy16,
zips15,
pipy11,
prys9,
spry9,
yips9,
pips8,
ripp8,
pirs6,
rips6,
risp6,
3 letter words:
zip14,
riz12,
pry8,
spy8,
yip8,
pip7,
pir5,
pis5,
psi5,
rip5,
sip5,
sir3,
sri3,
2 letter words:
pi4,
is2,
si2,