bebe[8], ebbe[8], bube[8], eber[6], erbe[6], rebe[6], bure[6], euer[4], eure[4], reue[4],
beb[7], ebb[7], bub[7], erb[5], ree[3], reu[3], ure[3],
er[2], re[2], ur[2],
