#include <bits/stdc++.h>
#define ll long long
#define sz(x) (int)(x).size()
using namespace std;
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//uniform_int_distribution<int>(1000,10000)(rng)
int nextL[1000000][26],tot=1;
void addWord()
{
int cur=1;
string s;
cin>>s;
sort(s.begin(), s.end());
for (auto c : s)
{
if (!nextL[cur][c-'a'])
{
++tot;
nextL[cur][c-'a']=tot;
}
cur=nextL[cur][c-'a'];
}
return;
}
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
int n;
cin>>n;
while (n--)
addWord();
cout<<tot;
return 0;
}
