efem[9], efom[9], fosy[9], sofy[9], mesy[6], semy[6], osmy[6], somy[6], esem[5], esom[5], meso[5],
efy[8], syf[8], fee[7], efo[7], fes[7], fos[7], sof[7], omy[5], mee[4], mes[4], sem[4], osm[4], som[4], esy[4], osy[4],
ef[6], fe[6], my[4], em[3], me[3], om[3], ee[2], eo[2], es[2], se[2], os[2],
