5 letter words:
kopek15,
pekoe11,
4 letter words:
keek12,
konk12,
keep10,
knop10,
peek10,
peke10,
poke10,
keen8,
keno8,
knee8,
neep6,
nope6,
open6,
peen6,
peon6,
pone6,
3 letter words:
kep9,
kop9,
eek7,
eke7,
ken7,
oke7,
ope5,
pee5,
pen5,
eon3,
nee3,
one3,
2 letter words:
op4,
pe4,
en2,
ne2,
no2,
oe2,
on2,