def solve(s):
    n = len(s)
    g = [11]*(n-3)
    p = [11]*(n-6)
    for i in range(n-3):
        g[i] = sum(x != y for x,y in zip("good",s[i:i+4]))
        if i: g[i] = min(g[i],g[i-1])
    for i in range(n-6):
        p[i] = sum(x != y for x,y in zip("problem",s[i:i+7]))
    for i in range(n-8,-1,-1):
        p[i] = min(p[i],p[i+1])
    ans = 11
    for i in range(4,n-6):
        ans = min(ans,g[i-4]+p[i])    
    return ans

T = int(input())
for _ in range(T):
    print(solve(input()))