fisie[9], biesi[7], bisie[7],
efeb[10], efie[8], bies[6], ibis[6], esie[4], siei[4],
fee[7], fes[7], fis[7], bee[5], bis[5], eis[3], sie[3],
ef[6], fe[6], fi[6], be[4], bi[4], ee[2], ii[2], es[2], se[2], si[2],