core[8], zone[7], zero[7], zorn[7], erze[6], nerz[6], eren[4], neer[4], rene[4],
cer[6], zen[5], erz[5], zer[5], nee[3], ree[3], ern[3], ren[3],
on[3], ne[2], er[2], re[2],
