kaso[5], kosa[5], oska[5], sako[5], saks[5], ssak[5], skos[5],
oka[4], kas[4], sak[4], ska[4], kos[4], sok[4], osa[3], sas[3], sos[3],
ka[3], ko[3], ok[3], as[2], os[2],
