bery[7], erby[7], bryi[7], rybi[7], rebe[6], brei[6], brie[6], birr[6],
bry[6], ryb[6], bee[5], ber[5], erb[5], reb[5], brr[5], ery[4], rei[3],
by[5], be[4], bi[4], ee[2], er[2], re[2],
