#include <stdio.h>
#include <string.h>
#define rep(i, n) for (i = 0; i < n; i++)
#define min(a, b) (a < b ? a : b)
#define inf 1145141919

int main() {
	char *good = "good";
	char *problem = "problem";

	int i, j, t;
	scanf("%d", &t);

	rep(i, t) {
		char s[101];
		scanf("%s", s);
		int len = strlen(s);
		int top1 = 0, top2 = len - 7;
		int ans = inf;
		while (top1 <= len - 11) {
			int t1 = 0, t2 = 0;
			rep(j, 4) if (s[top1 + j] != good[j]) t1++;
			rep(j, 7) if (s[top2 + j] != problem[j]) t2++;
			ans = min(ans, t1 + t2);
			if (top1 + 4 == top2) { top1++; top2 = len - 7; }
			else top2--;
		}
		printf("%d\n", ans);
	}
	return 0;
}