def f(X,Y):
    assert len(X)==len(Y)
    A=0
    for x,y in zip(X,Y):
        if x!=y:A+=1
    return A
#================================================
import sys
input=sys.stdin.readline
T=int(input())
for _ in range(T):
    S=input()[:-1]
    N=len(S)
    X=float("inf")
    for i in range(N-3):
        A=S[i:i+4]
        U=f(A,"good")
        for j in range(i+4,N-6):
            B=S[j:j+7]
            X=min(X,U+f(B,"problem"))
    print(X)