durrze[9],
ruder[8], durze[8], rudze[8], uderz[8], udrze[8], rurze[7], derze[6], rezed[6],
rude[7], durr[7], druz[7], durz[7], zeru[6], drze[5], rdze[5], erze[4],
edu[6], ued[6], dur[6], rud[6], urd[6], uzd[6], rur[5], der[4], red[4], drr[4], zer[3],
ud[5], de[3], ee[2], er[2], re[2], ez[2], ze[2],
