#!/usr/bin/env python3
import sys


def strdistance(str1, str2):
    count = 0
    for s1, s2 in zip(str1, str2):
        if s1 != s2:
            count += 1
    return count


T = int(input())
for s in sys.stdin:
    good = s.find("good")
    problem = s.find("problem")
    if good == -1:
        good = len(s) - 4
    if problem == -1:
        problem = 0
    if good < problem:
        print(0)
        continue

    distancesg = [float("inf")] * len(s)
    distancesp = [float("inf")] * len(s)

    for i in range(len(s) - 4):
        distancesg[i] = strdistance("good", s[i:i + 4])
    for i in range(len(s) - 7):
        distancesp[i] = strdistance("problem", s[i:i + 7])
    mindistance = float("inf")
    for i in range(1, len(s) - 4):
        mindistance = min(
            mindistance, min(distancesg[:i]) + min(distancesp[i + 3:]))
    print(mindistance)