#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;

int main()
{
	unsigned n, s_cpy = 1, mark = 0;
	vector<string> vec_str;
	cin >> n;
	for ( unsigned i = 0; i < n; i++ )
	{
		string s, s_tmp;
		cin >> s;
		for ( unsigned j = 0; j < s.length(); j++ )
		{
			switch( s.at(j) )
			{
			case 'A':
			case 'B':
			case 'C':
				s.replace( j, 1, "2" );
				break;
			case 'D':
			case 'E':
			case 'F':
				s.replace( j, 1, "3" );
				break;
			case 'G':
			case 'H':
			case 'I':
				s.replace( j, 1, "4" );
				break;
			case 'J':
			case 'K':
			case 'L':
				s.replace( j, 1, "5" );
				break;
			case 'M':
			case 'N':
			case 'O':
				s.replace( j, 1, "6" );
				break;
			case 'P':
			case 'R':
			case 'S':
				s.replace( j, 1, "7" );
				break;
			case 'T':
			case 'U':
			case 'V':
				s.replace( j, 1, "8" );
				break;
			case 'W':
			case 'X':
			case 'Y':
				s.replace( j, 1, "9" );
				break;
			}
		}
		for ( unsigned k = 0; k < s.length(); k++ )
		{
			if ( s.at(k) <= '9' && s.at(k) >= '0' )
			{
				s_tmp += s.at(k);
			}
		}
		s_tmp.insert( 3, 1, '-' );
		vec_str.push_back( s_tmp );
	}
	sort( vec_str.begin(), vec_str.end() );
	
	vector<string>::iterator it = vec_str.begin();

	cout << endl;
	for ( ; it != vec_str.end(); ++it )
	{
		while ( (it + 1) != vec_str.end() && *it == *(it + 1) )
		{
			++s_cpy;
			++it;
		}
		if ( s_cpy != 1 )
		{
			mark = 1;
			cout << *it << " " << s_cpy << endl;
			s_cpy = 1;
			continue;
		}
	}
	cout << endl;
	if ( mark == 0 )
	{
		cout << "No duplicates";
	}
	return 0;
}