7 letter words:
bullion9,
6 letter words:
billow11,
billon8,
5 letter words:
blown10,
4 letter words:
blow9,
bowl9,
lown7,
will7,
wino7,
bill6,
blin6,
boil6,
boll6,
bull6,
lilo4,
lino4,
lion4,
loin4,
nill4,
noil4,
null4,
3 letter words:
bow8,
low6,
now6,
owl6,
own6,
win6,
won6,
bin5,
bio5,
bun5,
lib5,
lob5,
nib5,
nob5,
nub5,
obi5,
ill3,
ion3,
lin3,
nil3,
oil3,
2 letter words:
ow5,
wo5,
bi4,
bo4,
in2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
un2,