koka[6], kask[6], koks[6], skok[6], kaso[5], kosa[5], oska[5], sako[5],
kok[5], oka[4], kas[4], sak[4], ska[4], kos[4], sok[4], osa[3],
ka[3], ko[3], ok[3], as[2], os[2],
