bek[6], bel[6], ble[6], bet[6], kel[5], kle[5], lek[5], ben[5], ket[5], tek[5], tle[5], web[5], len[4], net[4], ten[4], wek[4], lew[4], twe[4], wet[4], wte[4], wen[3],
be[4], el[3], et[3], te[3], en[2], ew[2], we[2],
