echem[9], herce[8], cerem[7], merce[7],
mech[8], eche[7], hece[7], cher[7], herc[7], herm[7], emce[6], merc[6], erce[5], erem[5],
che[6], ech[6], hec[6], hem[6], ehe[5], her[5], mee[4], cer[4], mer[4], rem[4],
hm[5], eh[4], he[4], ce[3], em[3], me[3], ee[2], er[2], re[2],
