5 letter words:
kopek15,
koker13,
kreep11,
pekoe11,
poker11,
proke11,
4 letter words:
zerk17,
prez15,
zero13,
keek12,
keep10,
peek10,
peke10,
perk10,
poke10,
pork10,
kero8,
kore8,
reek8,
reke8,
roke8,
peer6,
pere6,
pore6,
pree6,
repo6,
rope6,
3 letter words:
zek16,
poz14,
zep14,
rez12,
zee12,
kep9,
kop9,
eek7,
eke7,
erk7,
kor7,
oke7,
rok7,
ope5,
pee5,
per5,
pre5,
pro5,
rep5,
ere3,
ore3,
ree3,
reo3,
roe3,
2 letter words:
zo11,
ko6,
op4,
pe4,
po4,
ee2,
er2,
oe2,
or2,
re2,