6 letter words:
billyo11,
5 letter words:
billy10,
4 letter words:
illy7,
lily7,
oily7,
yill7,
bill6,
boil6,
boll6,
lobi6,
lilo4,
3 letter words:
boy8,
yob8,
loy6,
bio5,
boi5,
lib5,
lob5,
obi5,
ill3,
oil3,
2 letter words:
by7,
oy5,
yo5,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,