6 letter words:
brooks12,
5 letter words:
kooks13,
books11,
borks11,
brook11,
kobos11,
rooks9,
boors7,
broos7,
4 letter words:
kook12,
book10,
bork10,
bosk10,
kobo10,
kobs10,
kors8,
rook8,
sook8,
boor6,
boos6,
broo6,
bros6,
orbs6,
robs6,
sorb6,
3 letter words:
kob9,
kor7,
kos7,
boo5,
bos5,
bro5,
orb5,
rob5,
sob5,
ors3,
2 letter words:
bo4,
or2,
os2,
so2,