efie[8], idee[5], idei[5], seid[5], idis[5], esie[4], siei[4],
fee[7], fes[7], fis[7], des[4], dis[4], eis[3], sie[3],
ef[6], fe[6], fi[6], de[3], id[3], ee[2], ii[2], es[2], se[2], si[2],
