var dwGen = require('diceware-password-generator');  
  dwGen();		// 'stare too magog guess kirov grout'  

  dwGen(options);
  default options:  
  {  
  	'language': 'en',	   // currently only en, swe and jp is supported  
  	'wordcount': 6,  
  	'format': 'string',    // one of [array, string]  
  }