fana[8], faen[8], fena[8], acan[5], cena[5],
caf[8], efa[7], fee[7], fan[7], fen[7], nef[7], cna[4], cen[4], cne[4], ana[3],
fa[6], ef[6], fe[6], ce[3], aa[2], ee[2], na[2], en[2],
