biby[9], bery[7], erby[7], bryi[7], rybi[7], brei[6], brie[6],
bib[7], bry[6], ryb[6], ber[5], erb[5], reb[5], ery[4], rei[3],
by[5], be[4], bi[4], ii[2], er[2], re[2],
