5 letter words:
sybow13,
bousy10,
buoys10,
4 letter words:
yows10,
bows9,
boys9,
buoy9,
busy9,
buys9,
swob9,
sybo9,
yobs9,
yous7,
3 letter words:
swy9,
yow9,
bow8,
boy8,
buy8,
bys8,
yob8,
oys6,
sow6,
soy6,
wos6,
wus6,
yos6,
you6,
yus6,
bos5,
bus5,
obs5,
sob5,
sub5,
ous3,
sou3,
2 letter words:
by7,
ow5,
oy5,
wo5,
yo5,
yu5,
bo4,
ob4,
os2,
ou2,
so2,
us2,