7 letter words:
booklet13,
6 letter words:
betook12,
5 letter words:
bloke11,
ebook11,
ketol9,
botel7,
obole7,
4 letter words:
book10,
kobo10,
kelt8,
keto8,
koel8,
kolo8,
koto8,
look8,
toke8,
took8,
belt6,
blet6,
blot6,
bole6,
bolo6,
bolt6,
boot6,
lobe6,
lobo6,
oboe6,
obol6,
loot4,
oleo4,
tole4,
tool4,
3 letter words:
kob9,
elk7,
lek7,
oke7,
bel5,
bet5,
boo5,
bot5,
lob5,
obe5,
let3,
loo3,
lot3,
ole3,
oot3,
tel3,
toe3,
too3,
2 letter words:
be4,
bo4,
el2,
et2,
lo2,
oe2,
to2,