beere[7], ererb[7], ebers[7], erbes[7], erbse[7], serbe[7],
cers[7], eber[6], erbe[6], rebe[6],
cer[6], ces[6], sec[6], erb[5], brr[5], ree[3], see[3], ers[3], res[3],
er[2], re[2], es[2],
