drum[6], mure[6], rume[6], drud[4], urdu[4],
dem[5], emd[5], mud[5], emu[5], mur[5], rum[5], der[3], erd[3], red[3], dur[3], reu[3], ure[3],
um[4], er[2], re[2], du[2], ud[2], ur[2],
