import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Map<String, String> m = new HashMap<String, String>();
		m.put("A", "2");
		m.put("B", "2");
		m.put("C", "2");
		m.put("D", "3");
		m.put("E", "3");
		m.put("F", "3");
		m.put("G", "4");
		m.put("H", "4");
		m.put("I", "4");
		m.put("J", "5");
		m.put("K", "5");
		m.put("L", "5");
		m.put("M", "6");
		m.put("N", "6");
		m.put("O", "6");
		m.put("P", "7");
		m.put("R", "7");
		m.put("S", "7");
		m.put("T", "8");
		m.put("U", "8");
		m.put("V", "8");
		m.put("W", "9");
		m.put("X", "9");
		m.put("Y", "9");
		
		Scanner in = new Scanner(System.in);
		int i = in.nextInt();
		Map<String,Integer> r = new HashMap<String, Integer>();
		while(i > 0) {
			String str = in.next();
			StringBuffer b = new StringBuffer();
			for (int j = 0; j < str.length(); j ++) {
				if (str.charAt(j) >= 'A' && str.charAt(j) < 'Z') {
					String value = String.valueOf(str.charAt(j));
					value = m.get(value);
					if (value != null)
						b.append(value);
				}
				if (str.charAt(j) >= '0' && str.charAt(j) <= '9') {
					b.append(str.charAt(j));
				}
				if(b.length() == 3)
					b.append('-');
			}
			String key = String.valueOf(b);
			int c = 0;
			if (r.get(key) != null)
				c = r.get(key);
			
			r.put(key, c + 1);
			i--;
		}
		boolean flg = true;
		List<Map.Entry<String, Integer>> infoIds = new ArrayList<Map.Entry<String, Integer>>(r.entrySet()); 
		Collections.sort(infoIds, new Comparator<Map.Entry<String, Integer>>() {    
			public int compare(Map.Entry<String, Integer> o1,    
			Map.Entry<String, Integer> o2) {    
			return (o1.getKey().compareTo(o2.getKey()));    
			}    
		});   
		
		boolean pp = false;
		for (int k = 0; k < infoIds.size(); k++) { 
			if (infoIds.get(k).getValue() > 1) {
				if(pp) {
					System.out.println();
				}
				System.out.print(infoIds.get(k).getKey() + " " + infoIds.get(k).getValue());
				flg = false;
				pp = true;
			}
		}    
		if (flg) 
			System.out.print("No duplicates");
	}
}