fier[7], frei[7], reif[7], rief[7], cure[7], freu[7], rufe[7], ufer[7], ufre[7],
rye[12], fei[6], cer[6], ruf[6], ire[3], reu[3], ure[3],
ey[11], ei[2], er[2], re[2], ui[2], ur[2],
