kobo[7], obok[7], boks[7], kobz[7], boso[6], koso[5], osok[5], kozo[5], kosz[5], oksz[5], szok[5],
bok[6], oko[4], kos[4], sok[4], oso[3], zoo[3],
bo[4], ko[3], ok[3], os[2], oz[2],
