Untitled

import java.io.*;
import java.util.*;

public class Main {

    static ArrayList<String> getStrings(ArrayList<String> arr)
    {
		ArrayList<String> ans =new ArrayList<String>();
		for (int i=0;i<arr.size();i++){
			String c=arr.get(i);
			int len=c.length();
			int ct1=0;
			int	ct2=0;
			int	ct3=0;
			for (int j=0;j<len;j++){
				
				if (c.charAt(j)=='q'||c.charAt(j)=='w'||c.charAt(j)=='e'||c.charAt(j)=='r'||c.charAt(j)=='t'||c.charAt(j)=='y'||c.charAt(j)=='u'||c.charAt(j)=='i'||c.charAt(j)=='o'||c.charAt(j)=='p'){
					ct1++;
				}else if (c.charAt(j)=='a'||c.charAt(j)=='s'||c.charAt(j)=='d'||c.charAt(j)=='f'||c.charAt(j)=='g'||c.charAt(j)=='h'||c.charAt(j)=='j'||c.charAt(j)=='k'||c.charAt(j)=='l'){
					ct2++;
				}else if(c.charAt(j)=='z'||c.charAt(j)=='x'||c.charAt(j)=='c'||c.charAt(j)=='v'||c.charAt(j)=='b'||c.charAt(j)=='n'||c.charAt(j)=='m'){
					ct3++;	
				}
				
			}
			if(ct1==len||ct2==len||ct3==len){
					ans.add(c);
				}
		}
		return ans;
    }

    public static void main(String args[]) throws IOException {
        Scanner sc = new Scanner(System.in);
    
        int n = sc.nextInt();
        ArrayList<String> arr = new ArrayList<String>();
        for(int i = 0; i < n; i++){
            String s = sc.next();
            arr.add(s);
        }

        ArrayList<String> result = getStrings(arr);
        for(int i = 0; i < result.size(); i++){
            System.out.println(result.get(i));
        }
    }
}