import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

/**
 *
 * This program helps to find the WORDL word of the day.
 * It cycles through the dictionary of 5 letter words and applies various conditions
 * to help narrow the word down.
 *
 *
 * @author Dave Slemon
 */
public class Main {

    
    
    
    public static void main(String args[]) throws FileNotFoundException {
        String a_word;
        char[] c;
        boolean found=false;
        
        
        //creating File instance to reference text file in Java
        File text = new File("words.txt");
     
        
        
        //Creating Scanner instance to read File in Java
        Scanner scnr = new Scanner(text);
     
        
        
        
        //Reading each line of the file using Scanner class
        int lineNumber = 0;
        while(scnr.hasNextLine()){
            
            a_word = scnr.nextLine().toUpperCase();
            
            if (a_word.length() != 5) continue;
            
            c = a_word.toCharArray();
    
            
            
           //the WORDL word HAS these letters in the right position
           //if (c[0] != 'I' ) continue;
           //if (c[1] != 'E' ) continue;
           //if (c[2] != 'A' ) continue;
           //if (c[3] != 'A' ) continue;
             if (c[4] != 'E' ) continue;
            
         
             
             
            //the WORDL word HAS these letters but position is unknown
           if (!a_word.contains("N")) continue;
           if (!a_word.contains("R")) continue;
           if (!a_word.contains("S")) continue;

           
           
             
           //these letter CAN NOT appear in these positions
           if (c[0] == 'N') continue;
           if (c[2] == 'R') continue;
           if (c[3] == 'S') continue;

           
           
          
            //these letters DO NOT APPEAR ANYWHERE
            found = false;
            for(char x : c) {
                if (
                //x == 'A' ||
                x == 'U' ||
                x == 'D' ||
                x == 'I' ||
                x == 'O' ||
               
                x == 'C' ||
                //x == 'R' ||
                x == 'Y' ||
                x == 'P' ||
                x == 'T' ||
                
                x == 'B' ||
                //x == 'E' || 
                x == 'V' ||
                //x == 'E' || 
                x == 'L' ||
                
                x == 'W' ||
                x == 'I' || 
                //x == 'N' ||
                x == 'K' || 
                //x == 'S' ||                
                                                 
                x == 'K'
                ) {
                    found=true;
                    break;
                }
                
            }
            
          
            if (found) continue;
            System.out.println(a_word);
            
            lineNumber++;
        }    
        
        System.out.println("count = "+ lineNumber);
   
    }  
 
}