8 letter words:
bookcase16,
casebook16,
7 letter words:
caboose11,
6 letter words:
ebooks12,
5 letter words:
backs13,
becks13,
bocks13,
bakes11,
beaks11,
books11,
cakes11,
cokes11,
cooks11,
ebook11,
kobos11,
socko11,
oboes7,
4 letter words:
back12,
beck12,
bock12,
bake10,
bask10,
beak10,
book10,
bosk10,
cake10,
cask10,
coke10,
cook10,
kabs10,
kobo10,
kobs10,
sack10,
sock10,
cabs8,
cobs8,
kaes8,
keas8,
koas8,
oaks8,
okas8,
okes8,
sake8,
scab8,
soak8,
soke8,
sook8,
abos6,
aces6,
base6,
boas6,
boos6,
case6,
coos6,
obas6,
obes6,
oboe6,
ocas6,
sabe6,
soba6,
soca6,
3 letter words:
kab9,
kob9,
ask7,
cab7,
cob7,
kae7,
kas7,
kea7,
koa7,
kos7,
oak7,
oka7,
oke7,
ska7,
abo5,
abs5,
ace5,
bas5,
bes5,
boa5,
boo5,
bos5,
coo5,
cos5,
oba5,
obe5,
oca5,
sab5,
sac5,
sec5,
sob5,
oes3,
ose3,
sae3,
sea3,
2 letter words:
ka6,
ab4,
ba4,
be4,
bo4,
ae2,
as2,
es2,
oe2,
os2,
so2,