koko[6], keks[6], koks[6], skok[6], esko[5], kose[5], koso[5], osok[5],
kek[5], kok[5], eko[4], oko[4], eks[4], kos[4], sok[4], oso[3],
ko[3], ok[3], eo[2], es[2], se[2], os[2],
