7 letter words:
perkier13,
6 letter words:
prizer17,
birkie12,
reperk12,
ribier8,
5 letter words:
prize16,
biker11,
bikie11,
kibei11,
kreep11,
piker11,
brier7,
prier7,
riper7,
4 letter words:
zerk17,
bize15,
prez15,
berk10,
bike10,
birk10,
keep10,
kepi10,
kerb10,
kibe10,
peek10,
peke10,
perk10,
pike10,
piki10,
beep8,
keir8,
kier8,
reek8,
beer6,
bier6,
birr6,
bree6,
brie6,
peer6,
pere6,
peri6,
pier6,
pree6,
ripe6,
3 letter words:
zek16,
biz14,
zep14,
zip14,
zee12,
kep9,
kip9,
eek7,
eke7,
irk7,
kir7,
bee5,
brr5,
pee5,
per5,
pie5,
reb5,
rep5,
rib5,
rip5,
ere3,
err3,
ire3,
ree3,
rei3,
2 letter words:
ki6,
be4,
bi4,
pe4,
pi4,
er2,
re2,