附：
#include "iostream"
#include "string"

using namespace std;

struct Ans 
{
	char	str[20];
	int		order;
};

int cmp(const void *a,const void *b)
{
	return	*(char *)a-*(char *)b;	
}

int main()
{
	char	In[500];
	int		T,i,j,k;
	Ans		Last[1000];
	cin>>T;
	k=0;
	while (T)
	{
		cin>>In;
		j=0;	
		char	Out[20];
		for (i=0;In[i]!='\0';i++)
		{
			if (In[i]>='0'&&In[i]<='9')				
				Out[j++]=In[i];
			if (In[i]>='A'&&In[i]<='Z')
			{
				switch(In[i])
				{
				case 'A':	Out[j++]='2';
					break;
				case 'B':	Out[j++]='2';
					break;
				case 'C':	Out[j++]='2';
					break;
				case 'D':	Out[j++]='3';
					break;
				case 'E':	Out[j++]='3';
					break;
				case 'F':	Out[j++]='3';
					break;
				case 'G':	Out[j++]='4';
					break;
				case 'H':	Out[j++]='4';
					break;
				case 'I':	Out[j++]='4';
					break;
				case 'J':	Out[j++]='5';
					break;
				case 'K':	Out[j++]='5';
					break;
				case 'L':	Out[j++]='5';
					break;
				case 'M':	Out[j++]='6';
					break;
				case 'N':	Out[j++]='6';
					break;
				case 'O':	Out[j++]='6';
					break;
				case 'P':	Out[j++]='7';
					break;
				case 'R':	Out[j++]='7';
					break;
				case 'S':	Out[j++]='7';
					break;
				case 'T':	Out[j++]='8';
					break;
				case 'U':	Out[j++]='8';
					break;
				case 'V':	Out[j++]='8';
					break;
				case 'W':	Out[j++]='9';
					break;
				case 'X':	Out[j++]='9';
					break;
				case 'Y':	Out[j++]='9';
					break;
				default:	
					break;
				}			
			}
		}
		//转换
		Out[j]='\0';
		for (;j>=3;j--)
			Out[j+1]=Out[j];
		Out[j+1]='-';	
		
		if (!k)
		{
			strcpy(Last[k].str,Out);
			Last[k].order=1;
			k++;
		}
		else
		{
			for (i=0;i<k;i++)
			{
				if (!strcmp(Out,Last[i].str))
				{
					Last[i].order++;
					break;
				}
				if(i==k-1)
				{
					strcpy(Last[k].str,Out);
					Last[k].order=1;
					k++;
					break;
				}
			}
		}
		T--;
	}
	j=1;
	qsort(Last,k,sizeof(Last[0]),cmp);
	for (i=0;i<k;i++)
	{
		if (Last[i].order>1)
		{	
			cout<<Last[i].str<<" "<<Last[i].order<<endl;
			j=0;
		}
	}	
	if (j)
	{
		cout<<"No duplicates."<<endl;
	}
	
	return 0;	
}