oxer[12], rexe[11], crew[9], orca[8], core[8], acre[7], ware[6], ewer[6], rare[4],
exe[10], rex[10], car[6], cer[6], ewe[5], war[5], wer[5], are[3], ree[3], rar[3],
ex[9], wo[5], ar[2], er[2], re[2],
