5 letter words:
crook11,
iroko9,
color7,
4 letter words:
cook10,
cork10,
lick10,
lock10,
rick10,
rock10,
kilo8,
kolo8,
look8,
rook8,
coil6,
coir6,
cool6,
loci6,
loco6,
olio4,
roil4,
3 letter words:
ick9,
ilk7,
irk7,
kir7,
koi7,
kor7,
col5,
coo5,
cor5,
orc5,
roc5,
loo3,
oil3,
2 letter words:
ki6,
li2,
lo2,
oi2,
or2,