bert[7], terb[7], cert[6], brew[6], werw[4],
bet[6], ber[5], erb[5], reb[5], web[5], cer[4], ret[4], ter[4], cew[4], twe[4], wet[4], wte[4], rew[3], wre[3],
be[4], ce[3], et[3], te[3], er[2], re[2], ew[2], we[2],
