drud[4], daut[4], raut[4], trau[4], urat[4],
rüd[8], tür[8], dad[3], dar[3], rad[3], art[3], rat[3], dau[3], rau[3], dur[3], tau[3],
ad[2], da[2], ar[2], au[2], du[2], ud[2], ur[2], tu[2],
