cele[6], elce[6], emce[6], mele[6], merc[6], erce[5], erem[5],
cel[5], cle[5], lec[5], mel[5], lee[4], mee[4], cer[4], mer[4], rem[4],
ce[3], el[3], em[3], me[3], ee[2], er[2], re[2],
