rexen[12], renen[5], renne[5],
exen[11], rexe[11], eren[4], neer[4], rene[4], renn[4],
exe[10], rex[10], cer[6], nee[3], ree[3], ern[3], ren[3],
ex[9], ne[2], er[2], re[2],
