5 letter words:
ebook11,
4 letter words:
cowk13,
wock13,
beck12,
bock12,
woke11,
boke10,
boko10,
book10,
coke10,
cook10,
kobo10,
oboe6,
3 letter words:
ewk10,
kow10,
wok10,
bok9,
keb9,
kob9,
bow8,
cow8,
web8,
cob7,
oke7,
owe6,
woe6,
woo6,
boo5,
coo5,
eco5,
obe5,
obo5,
2 letter words:
ko6,
ow5,
we5,
wo5,
be4,
bo4,
ob4,
oe2,
oo2,