5 letter words:
boink11,
aboon7,
4 letter words:
bank10,
bonk10,
book10,
knob10,
kobo10,
akin8,
ikon8,
kain8,
kaon8,
kina8,
kino8,
koan8,
nook8,
oink8,
bani6,
boon6,
obia6,
naoi4,
3 letter words:
kab9,
kob9,
ink7,
kin7,
koa7,
koi7,
oak7,
oka7,
abo5,
ban5,
bin5,
bio5,
boa5,
boo5,
nab5,
nib5,
nob5,
oba5,
obi5,
ain3,
ani3,
ion3,
noo3,
ono3,
2 letter words:
ka6,
ki6,
ab4,
ba4,
bi4,
bo4,
ai2,
an2,
in2,
na2,
no2,
oi2,
on2,