7 letter words:
balloon9,
6 letter words:
ballon8,
5 letter words:
aboon7,
llano5,
4 letter words:
ball6,
bola6,
boll6,
bolo6,
boon6,
lobo6,
obol6,
loan4,
loon4,
nolo4,
olla4,
3 letter words:
abo5,
alb5,
bal5,
ban5,
boa5,
boo5,
lab5,
lob5,
nab5,
nob5,
oba5,
all3,
loo3,
noo3,
ono3,
2 letter words:
ab4,
ba4,
bo4,
al2,
an2,
la2,
lo2,
na2,
no2,
on2,