che[6], ech[6], hec[6], hem[6], ben[5], hen[5], hes[5], cen[4], cne[4], men[4], nem[4], ces[4], mes[4], sem[4], sen[3],
hm[5], be[4], eh[4], he[4], ce[3], em[3], me[3], en[2], es[2], se[2],
