5 letter words:
prize16,
piker11,
reiki9,
4 letter words:
zerk17,
pize15,
prez15,
kepi10,
kipe10,
perk10,
pike10,
piki10,
keir8,
kier8,
reik8,
peri6,
pier6,
ripe6,
3 letter words:
ziz21,
zek16,
zep14,
zip14,
rez12,
riz12,
kep9,
kip9,
eik7,
erk7,
irk7,
kir7,
per5,
pie5,
pir5,
pre5,
rep5,
rip5,
ire3,
rei3,
2 letter words:
ki6,
pe4,
pi4,
er2,
re2,