beerb[9], erbeb[9], bebes[9], beere[7], ebers[7], erbes[7], erbse[7], serbe[7],
bebe[8], ebbe[8], eber[6], erbe[6], rebe[6],
beb[7], ebb[7], erb[5], ree[3], see[3], ers[3], res[3],
er[2], re[2], es[2],
