5 letter words:
yolky15,
bulky14,
yokul12,
4 letter words:
yuky14,
kybo13,
yolk11,
youk11,
yuko11,
bilk10,
bouk10,
buik10,
bulk10,
buoy9,
kilo8,
oulk8,
oily7,
boil6,
lobi6,
3 letter words:
kyu10,
yok10,
yuk10,
bok9,
kob9,
boy8,
buy8,
yob8,
ilk7,
koi7,
oik7,
ouk7,
loy6,
you6,
bio5,
boi5,
lib5,
lob5,
obi5,
lou3,
oil3,
2 letter words:
ky9,
by7,
ki6,
ko6,
oy5,
yo5,
yu5,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,
ou2,