kuff[13], quer[13], reff[10], kerf[10], kufe[10], fuge[8], frug[8], gurk[8], krug[8], freu[7], rufe[7], ufer[7], ufre[7], kure[7],
uff[9], feg[7], fug[7], ruf[6], kur[6], erg[4], ger[4], reg[4], gur[4], reu[3], ure[3],
er[2], re[2], ur[2],
