5 letter words:
jocko18,
banjo14,
cajon14,
bacon9,
banco9,
aboon7,
4 letter words:
jack17,
jock17,
back12,
bock12,
bank10,
bonk10,
book10,
conk10,
cook10,
knob10,
kobo10,
nock10,
kaon8,
koan8,
nook8,
boon6,
coon6,
3 letter words:
jab12,
job12,
kab9,
kob9,
cab7,
cob7,
koa7,
oak7,
oka7,
abo5,
ban5,
boa5,
boo5,
can5,
con5,
coo5,
nab5,
nob5,
oba5,
oca5,
noo3,
ono3,
2 letter words:
jo9,
ka6,
ab4,
ba4,
bo4,
an2,
na2,
no2,
on2,