#include <bits/stdc++.h>
using namespace std;
string proc(char *a) {
  int n = strlen(a);
  char s[100];
  int i = 0, j = 0;
  while (i < n) {
    if (a[i] == 'u')
      s[j++] = 'o', s[j++] = 'o';
    else
      s[j++] = a[i];
    i++;
  }
  s[j] = '\0';
  strcpy(a, s);
  n = j;
  i = j = 0;
  while (i < n) {
    if (i < n - 1 && a[i] == a[i + 1] && a[i] == 'o')
      s[j++] = 'u', i += 2;
    else
      s[j++] = a[i++];
  }
  s[j] = '\0';
  strcpy(a, s);
  n = j;
  i = j = 0;
  while (i < n) {
    int t = i;
    if (a[i] == 'k') {
      while (a[i] == 'k' && i < n) i++;
      if (a[i] == 'h')
        s[j++] = 'h', i++;
      else {
        while (t < i) s[j++] = 'k', t++;
        s[j++] = a[i++];
      }
    } else
      s[j++] = a[i++];
  }
  s[j] = '\0';
  return string(s);
}
int main() {
  int n;
  cin >> n;
  cin.ignore();
  char a[1000][100];
  vector<string> ret;
  for (int i = 0; i < n; i++) {
    cin.getline(a[i], 100);
    ret.push_back(proc(a[i]));
  }
  sort(ret.begin(), ret.end());
  int ans = 0;
  int i = 0;
  while (i < n) {
    int t = i + 1;
    while (t < n && ret[i] == ret[t]) t++;
    ans++;
    i = t;
  }
  cout << ans;
  return 0;
}
