5 letter words:
aviso8,
obias7,
4 letter words:
avos7,
visa7,
abos6,
bias6,
bios6,
boas6,
ibis6,
isba6,
obas6,
obia6,
obis6,
soba6,
3 letter words:
avo6,
ova6,
vas6,
via6,
vis6,
abo5,
abs5,
bas5,
bio5,
bis5,
boa5,
bos5,
oba5,
obi5,
sab5,
sib5,
sob5,
ais3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
ai2,
as2,
is2,
oi2,
os2,
si2,
so2,