beto[7], boot[7], webo[6], weto[5],
bet[6], bot[6], bee[5], web[5], eto[4], oto[4], twe[4], wet[4], wte[4], ewe[3], ewo[3], owe[3], owo[3],
be[4], bo[4], et[3], te[3], ot[3], to[3], ee[2], eo[2], ew[2], we[2],
