5 letter words:
brook11,
bromo9,
broom9,
brood8,
dobro8,
4 letter words:
book10,
bork10,
kobo10,
dork9,
boom8,
rook8,
doom7,
dorm7,
mood7,
boor6,
broo6,
moor6,
room6,
door5,
odor5,
ordo5,
rood5,
3 letter words:
kob9,
kor7,
mob7,
bod6,
dom6,
mod6,
boo5,
bro5,
moo5,
mor5,
orb5,
rob5,
rom5,
dor4,
rod4,
2 letter words:
bo4,
mo4,
om4,
do3,
od3,
or2,