60分求调

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main(){
	string map[10001];
	int n,num = 0;
	cin>>n;
	for(int i = 0;i < n;i++){
		cin>>map[i];
		sort(map[i].begin(),map[i].end());
	}
	sort(map,map+n+1);
	for(int i = 0;i < n;i++){
		if(map[i] != map[i-1]){
			num++;
		}
	}
	cout<<num<<endl;
	
	return 0;
}