rebe[6], bers[6], brew[6], eser[4], serw[4], wers[4],
bee[5], ber[5], erb[5], reb[5], web[5], ser[3], ewe[3], rew[3], wre[3], swe[3],
be[4], ee[2], er[2], re[2], es[2], se[2], ew[2], we[2],
