def dif(s,t):
    ret=0
    for i in range(len(s)):
        if( s[i]!=t[i]):
            ret+=1
    return ret

T=int(raw_input())
for i in range(T):
    S=raw_input()
    size=len(S)
    ans=100
    for i in range(size):
        for j in range(i+4,size-6):
            tmpans=dif(S[i:i+4],"good")+dif(S[j:j+7],"problem")
            #print S[i:i+4],S[j:j+7],tmpans
            ans=min(ans,tmpans)
    print ans