5 letter words:
spiky14,
wispy13,
kiwis12,
pikis11,
4 letter words:
sizy16,
zips15,
kiwi11,
kips10,
piki10,
skip10,
spik10,
ywis10,
wisp9,
yips9,
iwis7,
3 letter words:
wiz15,
zip14,
sky10,
kip9,
spy8,
yip8,
kis7,
ski7,
wis6,
pis5,
psi5,
sip5,
2 letter words:
ki6,
pi4,
is2,
si2,