syfi[9], fosy[9], sofy[9], efie[8], esie[4], osie[4],
efy[8], syf[8], fee[7], efo[7], fes[7], fis[7], fos[7], sof[7], esy[4], osy[4], eis[3], sie[3], osi[3], sio[3], soi[3],
ef[6], fe[6], fi[6], ee[2], eo[2], es[2], se[2], si[2], os[2],
