5 letter words:
obias7,
4 letter words:
abos6,
bias6,
bios6,
boas6,
bois6,
isba6,
obas6,
obia6,
obis6,
soba6,
suba6,
3 letter words:
abo5,
abs5,
bas5,
bio5,
bis5,
boa5,
boi5,
bos5,
bus5,
oba5,
obi5,
obs5,
sab5,
sib5,
sob5,
sub5,
ais3,
ios3,
iso3,
ous3,
sai3,
sau3,
sou3,
sui3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
ob4,
ai2,
as2,
io2,
is2,
oi2,
os2,
ou2,
si2,
so2,
us2,