emce[6], merc[6], enem[5], erce[5], erem[5],
mee[4], cen[4], cne[4], men[4], nem[4], cer[4], mer[4], rem[4], ner[3], ren[3],
ce[3], em[3], me[3], ee[2], en[2], er[2], re[2],
