355 ci 
   -  2.1546491866958%
697 de 
   -  4.23039572711823%
393 en 
   -  2.38528769118718%
319 er 
   -  1.93614955086186%
447 es 
   -  2.71303714493809%
371 la 
   -  2.25176013595533%

 TOTAL de pares de letras -> 16476