mund[6], drum[6], dung[5], lund[5], rund[4],
ulm[6], lug[5], mud[5], mur[5], rum[5], lud[4], gnu[4], gur[4], dun[3], und[3], dur[3], nur[3], run[3],
um[4], ul[3], du[2], ud[2], nu[2], ur[2],
