#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

int main()
{
    ll n;
    while (cin >> n && n != 0)
    {
        cin.ignore();
        map<string, set<string>> z1;
        while (n-- > 0)
        {
            string x;
            getline(cin, x);
            stringstream ss(x);
            ss >> x;
            string ax;
            while (ss >> ax)
            {
                z1[ax].insert(x);
            }
        }
        for (auto cl : z1)
        {
            cout << cl.first << " ";
            for (auto cs : cl.second)
            {
                cout << cs << " ";
            }
            cout << endl;
        }
        cout << endl;
    }

    return 0;
}