4 letter words:
back12,
bock12,
tack10,
boat6,
bota6,
coat6,
taco6,
3 letter words:
coz14,
azo12,
zoa12,
kab9,
kob9,
cab7,
cob7,
kat7,
koa7,
oak7,
oka7,
abo5,
act5,
bat5,
boa5,
bot5,
cat5,
cot5,
oba5,
oca5,
tab5,
oat3,
tao3,
2 letter words:
za11,
ka6,
ab4,
ba4,
bo4,
at2,
ta2,
to2,