def diff(str1, str2):
    cnt = 0
    for i in range(len(str1)):
        if str1[i] != str2[i]:
            cnt += 1
    return cnt

T = input()
for t in range(T):
    S = raw_input()
    ans = 12
    for i in range(len(S)-3):
        for j in range(i+4, len(S)-6):
            ans = min(ans, diff(S[i:i+4], 'good') + diff(S[j:j+7], 'problem'))
        
    print ans