Word Search Puzzle structuresOnline version structures by Alejandro Aragoncillo Cazorla 1 STRUCTURES 2 ARTIFICIAL 3 RESISTANT 4 NATURAL 5 STABLE K I O X S M P F H U S B C O A Q T O L M C K K U S O R Q A N A I A J M I E T T I B U R M E A Y Y R Q I P L W U S B A N E U O F H E W T A K P O O T R I A A F A D Z O I I C K C D K Y N M E K E V U F I U A Q D E A E M P R N A M A G D E H F Z E T O L Y Y K V E B W F G S W R E S I S T A N T U