5 letter words:
boink11,
4 letter words:
bock12,
bonk10,
book10,
conk10,
cook10,
knob10,
kobo10,
nick10,
nock10,
ikon8,
kino8,
nook8,
oink8,
boon6,
cion6,
coin6,
coni6,
coon6,
icon6,
3 letter words:
ick9,
kob9,
cob7,
ink7,
kin7,
koi7,
bin5,
bio5,
boo5,
con5,
coo5,
nib5,
nob5,
obi5,
ion3,
noo3,
ono3,
2 letter words:
ki6,
bi4,
bo4,
in2,
no2,
oi2,
on2,