5 letter words:
soops7,
soups7,
4 letter words:
bops8,
pubs8,
boos6,
boss6,
buss6,
obos6,
oops6,
opus6,
oups6,
poos6,
poss6,
puss6,
sobs6,
soop6,
sops6,
soup6,
subs6,
sups6,
sous4,
3 letter words:
bop7,
pub7,
boo5,
bos5,
bus5,
obo5,
obs5,
oop5,
ops5,
oup5,
poo5,
pos5,
pus5,
sob5,
sop5,
sub5,
sup5,
upo5,
ups5,
oos3,
ous3,
sos3,
sou3,
sus3,
2 letter words:
bo4,
ob4,
op4,
po4,
up4,
oo2,
os2,
ou2,
so2,
us2,