5 letter words:
brook11,
iroko9,
brood8,
dobro8,
4 letter words:
work11,
birk10,
book10,
bork10,
kobo10,
brow9,
dirk9,
dork9,
rook8,
wood8,
word8,
bird7,
drib7,
biro6,
boor6,
brio6,
broo6,
door5,
odor5,
ordo5,
rood5,
3 letter words:
wok10,
kob9,
bow8,
kid8,
dow7,
irk7,
kir7,
koi7,
kor7,
bid6,
bod6,
dib6,
row6,
woo6,
bio5,
boo5,
bro5,
obi5,
orb5,
rib5,
rob5,
dor4,
rid4,
rod4,
2 letter words:
ki6,
ow5,
wo5,
bi4,
bo4,
do3,
id3,
od3,
oi2,
or2,