6 letter words:
booker12,
rebook12,
boomer10,
5 letter words:
broke11,
brook11,
ebook11,
brome9,
bromo9,
broom9,
omber9,
ombre9,
romeo7,
4 letter words:
berk10,
book10,
bork10,
kerb10,
kobo10,
merk10,
moke10,
berm8,
boom8,
kore8,
rook8,
boor6,
bore6,
broo6,
moor6,
more6,
oboe6,
omer6,
robe6,
room6,
3 letter words:
kob9,
kor7,
mob7,
oke7,
boo5,
bro5,
moo5,
mor5,
obe5,
orb5,
reb5,
rem5,
rob5,
rom5,
ore3,
roe3,
2 letter words:
be4,
bo4,
em4,
me4,
mo4,
om4,
er2,
oe2,
or2,
re2,