purr[7], dung[5], lund[5], gurr[5], rund[4],
pul[7], pud[6], pur[6], lug[5], lud[4], gnu[4], gur[4], dun[3], und[3], dur[3], nur[3], run[3],
ul[3], du[2], ud[2], nu[2], ur[2],
