6 letter words:
ebooks12,
5 letter words:
books11,
ebook11,
kobos11,
oboes7,
4 letter words:
book10,
bosk10,
kobo10,
kobs10,
okes8,
soke8,
sook8,
boos6,
obes6,
oboe6,
3 letter words:
kob9,
kos7,
oke7,
bes5,
boo5,
bos5,
obe5,
sob5,
oes3,
ose3,
2 letter words:
be4,
bo4,
es2,
oe2,
os2,
so2,
