4 letter words:
pick12,
pock12,
kilp10,
lick10,
lock10,
polk10,
clip8,
clop8,
kilo8,
coil6,
lipo6,
loci6,
3 letter words:
ick9,
kip9,
kop9,
cop7,
ilk7,
koi7,
oik7,
pic7,
col5,
lip5,
lop5,
poi5,
pol5,
oil3,
2 letter words:
ki6,
ko6,
op4,
pi4,
po4,
io2,
li2,
lo2,
oi2,