5 letter words:
brook11,
4 letter words:
work11,
book10,
bork10,
bulk10,
kobo10,
blow9,
bowl9,
brow9,
kolo8,
look8,
lurk8,
rook8,
wool7,
blur6,
bolo6,
boor6,
broo6,
burl6,
lobo6,
obol6,
lour4,
3 letter words:
wok10,
kob9,
bow8,
kor7,
low6,
owl6,
row6,
woo6,
boo5,
bro5,
bur5,
lob5,
orb5,
rob5,
rub5,
urb5,
loo3,
our3,
2 letter words:
ow5,
wo5,
bo4,
lo2,
or2,