5 letter words:
kepis11,
pikes11,
pikis11,
spike11,
4 letter words:
zeks17,
zeps15,
zips15,
size13,
kepi10,
keps10,
kips10,
pike10,
piki10,
skep10,
skip10,
spik10,
sike8,
pies6,
sipe6,
3 letter words:
zek16,
zep14,
zip14,
kep9,
kip9,
kis7,
ski7,
pes5,
pie5,
pis5,
psi5,
sip5,
sei3,
2 letter words:
ki6,
pe4,
pi4,
es2,
is2,
si2,