#include <bits/stdc++.h>   using namespace std;   void err(istream_iterator<string> it) {}   template <typename T, typename... Args>   void err(istream_iterator<string> it, T a, Args... args) {     cerr << *it <<   =   << a << endl;     err(++it, args...);   }   const long long mod = pow(10, 9) + 7;   const long long N = 3e5, M = N;   const long long inf = LLONG_MAX;   const long long infn = LLONG_MIN;   string convert(string s) {     long long n = s.length(), i;     while (true) {       bool done = 0;       for (auto it = s.begin(); it != s.end(); it++) {         auto p = it;         p++;         if (p == s.end())           break;         else if (*it ==  k  && *p ==  h ) {           s.erase(it);           it--;           done = 1;         }       }       if (!done) break;     }     string k =   ;     for (long long i = 0; i < s.length(); i++) {       if (s[i] ==  u ) {         k +=  oo ;       } else         k += s[i];     }     {       string _s =  k ;       replace(_s.begin(), _s.end(),  , ,    );       stringstream _ss(_s);       istream_iterator<string> _it(_ss);       err(_it, k);     };     return k;   }   void iluzn() {     long long n;     cin >> n;     long long k = n;     set<string> st;     while (n--) {       string s;       cin >> s;       s = convert(s);       st.insert(s);     }     cout << st.size() <<   n ;   }   signed main() {     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);     long long t = 1;     while (t--) iluzn();     return 0;   }   