487--3279

#include<bits/stdc++.h>

using namespace std;

map<string,int>mp;

set<string>st;

char s[20];

string convert;

char letter[100];

void built_in()
{
    letter['A'] = '2';letter['B'] = '2';letter['C'] = '2';
    letter['D'] = '3';letter['E'] = '3';letter['F'] = '3';
    letter['G'] = '4';letter['H'] = '4';letter['I'] = '4';
    letter['J'] = '5';letter['K'] = '5';letter['L'] = '5';
    letter['M'] = '6';letter['N'] = '6';letter['O'] = '6';
    letter['P'] = '7';letter['R'] = '7';letter['S'] = '7';
    letter['T'] = '8';letter['U'] = '8';letter['V'] = '8';
    letter['W'] = '9';letter['X'] = '9';letter['Y'] = '9';
}

struct info
{
    string dial;

    int cnt;

}arr[100005];

int main()
{
    built_in();

    int n,tc,test,i,j,k,len;

    scanf("%d",&test);

    for(tc=1;tc<=test;tc++)
    {
        scanf("%d",&n);

        k = 0;

        for(i=1;i<=n;i++)
        {
            scanf("%s",s);

            len = strlen(s);

            convert="";

            for(j=0;j<len;j++)
            {
                if(s[j]>='0' && s[j]<='9')
                {
                    convert+=s[j];
                }
                else if(s[j]!='Q' && s[j]!='Z' && s[j]>='A' && s[j]<='Y')
                {
                    convert+=letter[s[j]];
                }
            }

            mp[convert]++;

            st.insert(convert);
        }

        for(auto it: st)
        {
            arr[++k].dial = it;

            arr[k].cnt = mp[it];
        }

        bool dhukse = false;

        for(i=1;i<=k;i++)
        {
            if(arr[i].cnt>1)
            {
                dhukse = true;

                for(j=0;j<=2;j++)
                {
                    printf("%c",arr[i].dial[j]);
                }

                printf("-");

                for(j=3;j<=6;j++)
                {
                    printf("%c",arr[i].dial[j]);
                }

                printf(" %d\n",arr[i].cnt);
            }
        }

        if(!dhukse)
        {
            puts("No duplicates.");
        }

        mp.clear();

        st.clear();

        if(tc<test)
            puts("");
    }

    return 0;
}