#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import operator

G = "good"
P = "problem"


def hamming_distance(str1, str2):
    return sum(map(operator.ne, str1, str2))


def get_minimum(si):
    l = len(si)
    ks = []
    for i in range(0, l - 10):
        for j in range(i + 4, l - 6):
            g_hdis = hamming_distance(si[i: i + 4], G)
            p_hdis = hamming_distance(si[j: j + 7], P)
            ks.append(g_hdis + p_hdis)
    return min(ks)


if __name__ == "__main__":
    t = int(input())
    for x in range(t):
        print(get_minimum(input()))