berd[7], debr[7], bery[7], erby[7], rebe[6], dery[6], redy[6],
dyb[7], bry[6], ryb[6], bee[5], ber[5], erb[5], reb[5], der[4], red[4], ery[4],
by[5], be[4], de[3], ee[2], er[2], re[2],
