7 letter words:
soubise9,
6 letter words:
bouses8,
busies8,
5 letter words:
bises7,
bouse7,
buses7,
issue5,
souse5,
4 letter words:
bios6,
bise6,
bois6,
boss6,
buss6,
obes6,
obis6,
sibs6,
sobs6,
subs6,
euoi4,
isos4,
oses4,
seis4,
sies4,
sous4,
sues4,
uses4,
3 letter words:
bes5,
bio5,
bis5,
boi5,
bos5,
bus5,
obe5,
obi5,
obs5,
sib5,
sob5,
sub5,
ess3,
ios3,
iso3,
oes3,
ose3,
ous3,
sei3,
sis3,
sos3,
sou3,
sue3,
sui3,
sus3,
use3,
2 letter words:
be4,
bi4,
bo4,
ob4,
es2,
io2,
is2,
oe2,
oi2,
os2,
ou2,
si2,
so2,
us2,
