5 letter words:
brosy10,
4 letter words:
boys9,
orby9,
sybo9,
yobs9,
rosy7,
bors6,
bros6,
orbs6,
robs6,
sorb6,
3 letter words:
boy8,
bys8,
yob8,
oys6,
soy6,
yos6,
bor5,
bos5,
bro5,
obs5,
orb5,
rob5,
sob5,
ors3,
2 letter words:
by7,
oy5,
yo5,
bo4,
ob4,
or2,
os2,
so2,