5 letter words:
poker11,
proke11,
4 letter words:
zerk17,
prez15,
zero13,
perk10,
poke10,
pork10,
kero8,
kore8,
roke8,
pore6,
repo6,
rope6,
3 letter words:
zek16,
poz14,
zep14,
rez12,
kep9,
kop9,
erk7,
kor7,
oke7,
rok7,
ope5,
per5,
pre5,
pro5,
rep5,
ore3,
reo3,
roe3,
2 letter words:
zo11,
ko6,
op4,
pe4,
po4,
er2,
oe2,
or2,
re2,