lurch[10], durch[9],
luch[9], ruch[8], huld[6], duld[5], drud[4], urdu[4],
duc[6], lud[4], hur[4], ruh[4], uhr[4], uhu[4], dur[3],
hu[3], uh[3], ul[3], du[2], ud[2], ur[2],
