crux[14], oxer[12], rexe[11], core[8], cour[8], cure[7], euro[5], roue[5], euer[4], eure[4], reue[4],
exe[10], rex[10], cer[6], ree[3], reu[3], ure[3],
ex[9], er[2], re[2], ur[2],
