bosko[8], kokos[7], kokso[7],
kobo[7], obok[7], boks[7], koko[6], koks[6], skok[6], boso[6], koso[5], osok[5],
bok[6], kok[5], oko[4], kos[4], sok[4], oso[3],
bo[4], ko[3], ok[3], os[2],
