beru[8], bure[8], erbu[8], biur[8], webu[8], brei[6], brie[6], brew[6], brwi[6], eruw[6], wiru[6], rwie[4],
bru[7], bur[7], ber[5], erb[5], reb[5], rui[5], web[5], rei[3], wie[3], rew[3], wre[3], wir[3],
bu[6], be[4], bi[4], wu[4], er[2], re[2], ew[2], we[2], iw[2],
