#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
    int t;
    cin>>t;
    while (t--) {
        string s;
        cin>>s;
        int n=s.size();
        int ans=11;
        for (int i=0;i+3<n;i++) {
            for (int j=i+4;j+6<n;j++) {
                int cnt=0;
                cnt+=s[i]!='g';
                cnt+=s[i+1]!='o';
                cnt+=s[i+2]!='o';
                cnt+=s[i+3]!='d';
                cnt+=s[j]!='p';
                cnt+=s[j+1]!='r';
                cnt+=s[j+2]!='o';
                cnt+=s[j+3]!='b';
                cnt+=s[j+4]!='l';
                cnt+=s[j+5]!='e';
                cnt+=s[j+6]!='m';
                ans=min(ans,cnt);
            }
        }
        cout<<ans<<endl;
    }
    return 0;
}