exen[11], rexe[11], vene[9], erve[9], nerv[9], epen[7], peer[7], reep[7], eren[4], neer[4], rene[4],
exe[10], rex[10], per[6], rep[6], nee[3], ree[3], ern[3], ren[3],
ex[9], ne[2], er[2], re[2],
