5 letter words:
yolky15,
bulky14,
4 letter words:
yolk11,
bilk10,
bulk10,
buoy9,
kilo8,
oily7,
boil6,
3 letter words:
yok10,
yuk10,
kob9,
boy8,
buy8,
yob8,
ilk7,
koi7,
you6,
bio5,
lib5,
lob5,
obi5,
oil3,
2 letter words:
by7,
ki6,
oy5,
yo5,
bi4,
bo4,
li2,
lo2,
oi2,