#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v, w; };

ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;
int INF = INT_MAX / 2;

int main() {
	int T; cin >> T;
	while (T--) {
		string S; cin >> S;
		int n = S.length();
		int mini = INT_MAX;
		for (int i = 0; i + 4 <= n; i++)
			for (int j = i + 4; j + 7 <= n; j++) {
				int cnt = 0;

				if (S[i + 0] != 'g') cnt++;
				if (S[i + 1] != 'o') cnt++;
				if (S[i + 2] != 'o') cnt++;
				if (S[i + 3] != 'd') cnt++;

				if (S[j + 0] != 'p') cnt++;
				if (S[j + 1] != 'r') cnt++;
				if (S[j + 2] != 'o') cnt++;
				if (S[j + 3] != 'b') cnt++;
				if (S[j + 4] != 'l') cnt++;
				if (S[j + 5] != 'e') cnt++;
				if (S[j + 6] != 'm') cnt++;

				mini = min(mini, cnt);
			}
		cout << mini << endl;
	}
}