5 letter words:
brook11,
4 letter words:
work11,
book10,
bork10,
kobo10,
pork10,
brow9,
prow9,
rook8,
boor6,
broo6,
poor6,
3 letter words:
wok10,
kob9,
kop9,
bow8,
pow8,
wop8,
bop7,
kor7,
row6,
woo6,
boo5,
bro5,
orb5,
poo5,
pro5,
rob5,
2 letter words:
ow5,
wo5,
bo4,
op4,
or2,