kek[5], kem[5], ket[5], tek[5], met[5], men[4], nem[4], ker[4], rek[4], mer[4], rem[4], net[4], ten[4], ret[4], ter[4], ner[3], ren[3],
em[3], me[3], et[3], te[3], en[2], er[2], re[2],