4 letter words:
peck12,
pock12,
coke10,
cook10,
kelp10,
lock10,
poke10,
clop8,
coop8,
cope8,
koel8,
kolo8,
look8,
poco8,
cole6,
cool6,
loco6,
loop6,
lope6,
pole6,
polo6,
pool6,
oleo4,
3 letter words:
kep9,
kop9,
cep7,
cop7,
elk7,
lek7,
oke7,
pec7,
cel5,
col5,
coo5,
lop5,
ope5,
pol5,
poo5,
loo3,
ole3,
2 letter words:
op4,
pe4,
el2,
lo2,
oe2,