krude[8], kuder[8], kurde[8], kurre[8], ruder[5], rudre[5],
duke[7], krud[7], kure[7],
kur[6], der[3], erd[3], red[3], dur[3], reu[3], ure[3],
er[2], re[2], du[2], ud[2], ur[2],
