4 letter words:
kirk12,
klik12,
kilp10,
polk10,
pork10,
kilo8,
lirk8,
lipo6,
pirl6,
loir4,
roil4,
3 letter words:
kip9,
kop9,
ilk7,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
lip5,
lop5,
pir5,
poi5,
pol5,
pro5,
rip5,
lor3,
oil3,
2 letter words:
ki6,
ko6,
op4,
pi4,
po4,
io2,
li2,
lo2,
oi2,
or2,