beru[8], bure[8], erbu[8], webu[8], rebe[6], brew[6], eruw[6],
bru[7], bur[7], bee[5], ber[5], erb[5], reb[5], web[5], ewe[3], rew[3], wre[3],
bu[6], be[4], wu[4], ee[2], er[2], re[2], ew[2], we[2],
