ikos[5], kosi[5], osik[5], oski[5], siko[5], soki[5], koso[5], osok[5],
kio[4], koi[4], oko[4], iks[4], isk[4], ksi[4], sik[4], ski[4], kos[4], sok[4], osi[3], sio[3], soi[3], oso[3],
ki[3], ko[3], ok[3], si[2], os[2],
