7 letter words:
billion9,
bouilli9,
bullion9,
6 letter words:
billyo11,
lionly9,
oilily9,
billon8,
biniou8,
lobuli8,
5 letter words:
billy10,
bliny10,
bully10,
nobly10,
noily8,
blini7,
4 letter words:
bony9,
buoy9,
inby9,
illy7,
inly7,
lily7,
liny7,
luny7,
oily7,
only7,
yill7,
yoni7,
bill6,
blin6,
boil6,
boll6,
boun6,
bull6,
lobi6,
lilo4,
lino4,
lion4,
loin4,
loun4,
nill4,
noil4,
noll4,
noul4,
null4,
3 letter words:
boy8,
buy8,
yob8,
loy6,
noy6,
ony6,
yin6,
yon6,
you6,
bin5,
bio5,
boi5,
bon5,
bun5,
lib5,
lob5,
nib5,
nob5,
nub5,
obi5,
ill3,
ion3,
lin3,
lou3,
nil3,
oil3,
uni3,
2 letter words:
by7,
ny5,
oy5,
yo5,
yu5,
bi4,
bo4,
ob4,
in2,
io2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
ou2,
un2,