kreiere[10], kirrere[10],
kreier[9], kirrer[9], irrere[6],
erker[8], kirre[8], eiere[5], irrer[5],
kirr[7], eier[4], eire[4], irre[4],
kir[6], ree[3], ire[3], irr[3],
ei[2], er[2], re[2],
