//想定WA解法
#include<iostream>
#include<string.h>
using namespace std;

int gethamming(char *str1, char *str2, int n);

int T;
char S[102];

int main() {
	int i, j, k;
	cin >> T;
	for( i = 0; i < T; i++ ) {
		cin >> S;
		int slen = strlen(S);
		int ans = 114514;
		for( j = 0; j <= slen - 11; j++ ) {
			//k>=j+4、k>=jでやるとWrongAnswerするようにテストケース作った(はずなので後で試す
			for( k = j; k <= slen - 7; k++ ) {
				int hamming1 = gethamming(S+j, "good", 4);
				int hamming2 = gethamming(S+k, "problem", 7);
				ans = min(ans, hamming1 + hamming2);
			}
		}
		cout << ans << endl;
	}
}
int gethamming(char *str1, char *str2, int n) {
	int i, ret = 0;
	for( i = 0; i < n; i++ ) {
		ret += ( str1[i] != str2[i] );
	}
	return ret;
}