fana[8], faen[8], fena[8], baca[7], caba[7], bace[7], bana[6], bean[6], acan[5], cena[5],
caf[8], efa[7], fan[7], fen[7], nef[7], cab[6], ban[5], ben[5], cna[4], cen[4], cne[4], ana[3],
fa[6], ef[6], fe[6], ba[4], be[4], ce[3], aa[2], na[2], en[2],
