kuffe[14], forke[12],
kuff[13], reff[10], kerf[10], kufe[10], orfe[8], kore[8], freu[7], rufe[7], ufer[7], ufre[7], kure[7], euro[5], roue[5],
off[10], uff[9], kor[7], ufo[7], ruf[6], kur[6], reu[3], ure[3],
er[2], re[2], ur[2],
