ivorer[12], revier[11], vierer[11],
viere[10], eiere[5],
erve[9], vier[9], roie[5], eier[4], eire[4], irre[4],
vor[9], oie[4], roi[4], ree[3], ire[3], irr[3],
ei[2], er[2], re[2],
