fuhr[8], ruhm[7], drum[6], urdu[4],
huf[7], muh[6], ruf[6], mud[5], mur[5], rum[5], hur[4], ruh[4], uhr[4], uhu[4], dur[3],
hm[5], um[4], hu[3], uh[3], du[2], ud[2], ur[2],
