erom[5], orem[5], esom[5], meso[5], mors[5], srom[5], eros[4],
mer[4], rem[4], mor[4], mes[4], sem[4], osm[4], som[4], ero[3], ser[3], ros[3],
em[3], me[3], om[3], eo[2], er[2], re[2], or[2], ro[2], es[2], se[2], os[2],