keif[10], kerf[10], fier[7], frei[7], reif[7], rief[7], kirr[7], drei[4], ried[4], irre[4],
fei[6], kid[6], kir[6], die[3], eid[3], der[3], erd[3], red[3], dir[3], ire[3], irr[3],
ei[2], er[2], re[2],
