#!/usr/bin/env python
#coding:utf8

def read():
    sList = []
    for i in range(int(raw_input())):
        sList.append(raw_input())
    return sList


def work(sList):
    for s in sList:
        
        minV = 1 << 30
        for i in range(len(s) - 3):
            for j in range(i + 4, len(s) - 6):
                cnt = 0
                
                for idx, ch in enumerate("good"):
                    cnt += s[i + idx] != ch

                for idx, ch in enumerate("problem"):
                    cnt += s[j + idx] != ch

                minV = min(minV, cnt)

        print minV


if __name__ == "__main__":
    work(read())