6 letter words:
betook12,
bookie12,
bootie8,
5 letter words:
ebook11,
boite7,
4 letter words:
bike10,
book10,
kibe10,
kobo10,
keto8,
kite8,
koto8,
tike8,
toke8,
took8,
bite6,
boot6,
obit6,
oboe6,
3 letter words:
kob9,
kit7,
koi7,
oke7,
bet5,
bio5,
bit5,
boo5,
bot5,
obe5,
obi5,
oot3,
tie3,
toe3,
too3,
2 letter words:
ki6,
be4,
bi4,
bo4,
et2,
it2,
oe2,
oi2,
ti2,
to2,