kerf[10], krem[9], merk[9], nerv[9], meng[7], germ[7], fern[7], kern[7], kren[7], renk[7], gern[5],
feg[7], ken[6], eng[4], gen[4], erg[4], ger[4], reg[4], ern[3], ren[3],
ne[2], er[2], re[2],
