bek[6], bet[6], dek[5], ben[5], edt[5], ket[5], tek[5], web[5], den[4], end[4], net[4], ten[4], wek[4], twe[4], wet[4], wte[4], wen[3],
be[4], de[3], et[3], te[3], en[2], ew[2], we[2],
