emce[6], moce[6], esce[5], esem[5], esom[5], meso[5],
com[5], moc[5], mee[4], ces[4], mes[4], sem[4], soc[4], osm[4], som[4],
ce[3], em[3], me[3], co[3], om[3], ee[2], eo[2], es[2], se[2], os[2],
