bej[7], jeb[7], hej[7], fen[7], nef[7], che[6], ech[6], hec[6], ben[5], hen[5], jen[5], cen[4], cne[4],
ef[6], fe[6], be[4], eh[4], he[4], ej[4], je[4], ce[3], en[2],
