zerg[7], erze[6], zerr[6], zers[6], gere[5], rege[5], ergs[5], gers[5],
erz[5], zer[5], erg[4], ger[4], reg[4], ges[4], ree[3], see[3], ers[3], res[3],
er[2], re[2], es[2],