beto[7], bont[7], boot[7], bono[6], obon[6], open[5], peon[5], poen[5], opon[5], pono[5], neto[5], noto[5], tono[5],
bet[6], bot[6], ben[5], bon[5], pet[5], pot[5], top[5], nep[4], pen[4], net[4], ten[4], eto[4], not[4], ton[4], oto[4], eon[3], one[3], ono[3],
be[4], bo[4], pe[3], op[3], po[3], et[3], te[3], ot[3], to[3], en[2], eo[2], no[2], on[2],
