5 letter words:
cobza18,
wokka16,
wacko14,
aback13,
4 letter words:
zack19,
cawk13,
cowk13,
wack13,
wock13,
back12,
bock12,
kaka12,
kawa11,
waka11,
boak10,
waac9,
abac8,
caba8,
3 letter words:
caz14,
coz14,
azo12,
zoa12,
kak11,
kaw10,
kow10,
wok10,
bok9,
kab9,
kob9,
bow8,
caw8,
cow8,
wab8,
aka7,
bac7,
cab7,
cob7,
koa7,
oak7,
oka7,
awa6,
aba5,
abo5,
baa5,
boa5,
caa5,
oba5,
oca5,
2 letter words:
za11,
zo11,
ka6,
ko6,
aw5,
ow5,
wo5,
ab4,
ba4,
bo4,
ob4,
aa2,