8 letter words:
wordbook18,
7 letter words:
ribwork16,
6 letter words:
bookoo12,
borrow11,
koodoo11,
5 letter words:
brook11,
drook10,
iroko9,
koori9,
boord8,
brood8,
dobro8,
droob8,
rorid6,
4 letter words:
work11,
birk10,
boko10,
book10,
bork10,
brik10,
kobo10,
bowr9,
brow9,
dirk9,
dook9,
dork9,
drow8,
koro8,
rook8,
wood8,
word8,
bird7,
bord7,
brod7,
doob7,
dorb7,
drib7,
biro6,
birr6,
boor6,
brio6,
broo6,
door5,
dorr5,
odor5,
ordo5,
rood5,
3 letter words:
kow10,
wok10,
bok9,
kob9,
bow8,
kid8,
dow7,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
bid6,
bod6,
dib6,
dob6,
row6,
woo6,
bio5,
boi5,
boo5,
bor5,
bro5,
brr5,
obi5,
obo5,
orb5,
rib5,
rob5,
doo4,
dor4,
ord4,
rid4,
rod4,
oor3,
roo3,
2 letter words:
ki6,
ko6,
ow5,
wo5,
bi4,
bo4,
ob4,
di3,
do3,
id3,
od3,
io2,
oi2,
oo2,
or2,