6 letter words:
betook12,
booker12,
rebook12,
retook10,
reboot8,
5 letter words:
berko11,
broke11,
brook11,
ebook11,
toker9,
troke9,
robot7,
4 letter words:
berk10,
boke10,
boko10,
book10,
bork10,
kerb10,
kobo10,
kero8,
keto8,
kore8,
koro8,
koto8,
roke8,
rook8,
toke8,
toko8,
took8,
trek8,
boet6,
boor6,
boot6,
bore6,
bort6,
broo6,
oboe6,
robe6,
root4,
rote4,
roto4,
tore4,
toro4,
3 letter words:
bok9,
keb9,
kob9,
erk7,
ket7,
kor7,
oke7,
rok7,
bet5,
boo5,
bor5,
bot5,
bro5,
obe5,
obo5,
orb5,
reb5,
rob5,
oor3,
oot3,
ore3,
ort3,
reo3,
ret3,
roe3,
roo3,
rot3,
toe3,
too3,
tor3,
2 letter words:
ko6,
be4,
bo4,
ob4,
er2,
et2,
oe2,
oo2,
or2,
re2,
te2,
to2,