5 letter words:
cobza18,
bucko13,
4 letter words:
zack19,
zouk17,
zobu15,
back12,
bock12,
buck12,
bauk10,
boak10,
bouk10,
cauk10,
3 letter words:
caz14,
coz14,
cuz14,
azo12,
zoa12,
bok9,
kab9,
kob9,
auk7,
bac7,
cab7,
cob7,
cub7,
koa7,
oak7,
oka7,
ouk7,
abo5,
boa5,
oba5,
oca5,
2 letter words:
za11,
zo11,
ka6,
ko6,
ab4,
ba4,
bo4,
ob4,
ou2,