venen[10], erven[10], nerve[10], renen[5], renne[5],
vene[9], venn[9], erve[9], nerv[9], eren[4], neer[4], rene[4], renn[4],
cer[6], nee[3], ree[3], ern[3], ren[3],
ne[2], er[2], re[2],
