5 letter words:
bosky14,
kybos14,
yorks12,
borks11,
brosy10,
4 letter words:
kybo13,
roky11,
skry11,
skyr11,
yoks11,
york11,
boks10,
bork10,
bosk10,
kobs10,
boys9,
orby9,
sybo9,
yobs9,
kors8,
roks8,
rosy7,
bors6,
bros6,
orbs6,
robs6,
sorb6,
3 letter words:
sky10,
yok10,
bok9,
kob9,
boy8,
bys8,
yob8,
kor7,
kos7,
rok7,
oys6,
soy6,
yos6,
bor5,
bos5,
bro5,
obs5,
orb5,
rob5,
sob5,
ors3,
2 letter words:
ky9,
by7,
ko6,
oy5,
yo5,
bo4,
ob4,
or2,
os2,
so2,