beto[7], bont[7], boot[7], bono[6], obon[6], neto[5], noto[5], tono[5],
bet[6], bot[6], ben[5], bon[5], net[4], ten[4], eto[4], not[4], ton[4], oto[4], eon[3], one[3], ono[3],
be[4], bo[4], et[3], te[3], ot[3], to[3], en[2], eo[2], no[2], on[2],
