#include <bits/stdc++.h>

int main() {

  int N;
  int diff_g[128];
  int diff_p[128];
  int ans;
  std::string str;
  int count;

  std::cin >> N;
  for(int i = 0; i < N; ++i) {
    std::cin >> str;
    for(int j = 0; j < 128; ++j) {
      diff_g[j] = 10000;
      diff_p[j] = 10000;
    }

    for(int j = 0; j <= str.size()-4; ++j) {
      count = 0;
      if( str[j]   != 'g' ) count += 1;
      if( str[j+1] != 'o' ) count += 1;
      if( str[j+2] != 'o' ) count += 1;
      if( str[j+3] != 'd' ) count += 1;
      diff_g[j] = count;
    }
    for(int j = 0; j <= str.size()-7; ++j) {
      count = 0;
      if( str[j]   != 'p' ) count += 1;
      if( str[j+1] != 'r' ) count += 1;
      if( str[j+2] != 'o' ) count += 1;
      if( str[j+3] != 'b' ) count += 1;
      if( str[j+4] != 'l' ) count += 1;
      if( str[j+5] != 'e' ) count += 1;
      if( str[j+6] != 'm' ) count += 1;
      diff_p[j] = count;
    }

    ans = 10000;
    for(int j = 0; j <= str.size()-4-7; ++j) {
      for(int k = j+4; k <= str.size()-7; ++k) {
	ans = std::min(ans, diff_g[j]+diff_p[k]);
      }
    }
    
    std::cout << ans << std::endl;
  }    

  return 0;
}