5 letter words:
pilow10,
wilco10,
cloop9,
polio7,
4 letter words:
cowp11,
clow9,
cowl9,
lowp9,
plow9,
clip8,
clop8,
coop8,
poco8,
wool7,
coil6,
cool6,
lipo6,
loci6,
loco6,
loop6,
polo6,
pool6,
olio4,
3 letter words:
cow8,
pow8,
wop8,
cop7,
pic7,
low6,
owl6,
woo6,
col5,
coo5,
lip5,
lop5,
oop5,
poi5,
pol5,
poo5,
loo3,
oil3,
2 letter words:
ow5,
wo5,
op4,
pi4,
po4,
io2,
li2,
lo2,
oi2,
oo2,