erzene[8], erzner[8], zerren[8],
erzen[7], erzne[7], nerze[7], zerre[7],
erze[6], nerz[6], zerr[6], eren[4], neer[4], rene[4],
zen[5], erz[5], zer[5], nee[3], ree[3], ern[3], ren[3],
ne[2], er[2], re[2],
