5 letter words:
choko14,
chook14,
4 letter words:
hock13,
bock12,
hook11,
boko10,
book10,
cobb10,
cook10,
kobo10,
boho9,
booh9,
coho9,
hobo9,
boob8,
3 letter words:
bok9,
kob9,
boh8,
hob8,
hoc8,
och8,
bob7,
cob7,
hoo6,
oho6,
ooh6,
boo5,
coo5,
obo5,
2 letter words:
ch7,
ko6,
ho5,
oh5,
bo4,
ob4,
oo2,