#!/usr/bin/python
f = lambda a, b, n: sum(a[i]!=b[i] for i in xrange(n))

t = int(raw_input())
for _ in xrange(t):
    s = raw_input()
    n = len(s)
    res = min(f(s[i:i+4], 'good', 4) + f(s[j:j+7], 'problem', 7) for i in xrange(n-3) for j in xrange(i+4, n-6))
    print res