4 letter words:
yows10,
bows9,
boys9,
posy9,
pows9,
swob9,
swop9,
sybo9,
wops9,
yobs9,
bops8,
3 letter words:
yow9,
bow8,
boy8,
bys8,
pow8,
spy8,
wop8,
yob8,
bop7,
sow6,
soy6,
wos6,
bos5,
ops5,
sob5,
sop5,
2 letter words:
by7,
ow5,
oy5,
wo5,
yo5,
bo4,
op4,
os2,
so2,