koko[6], koks[6], skok[6], okno[5], noks[5], skon[5], koso[5], osok[5],
kok[5], nok[4], oko[4], kos[4], sok[4], ono[3], nos[3], son[3], oso[3],
ko[3], ok[3], no[2], on[2], os[2],
