use std::io::*;

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let t: usize = itr.next().unwrap().parse().unwrap();

    let good: Vec<char> = "good".chars().collect();
    let problem: Vec<char> = "problem".chars().collect();
    let mut out = Vec::new();
    for _ in 0..t {
        let s: Vec<char> = itr.next().unwrap().chars().collect();
        let n = s.len();
        let mut ans = 1 << 30;
        for i in 0..n - 10 {
            for j in i + 4..n - 6 {
                let mut cnt = 0;
                for k in 0..4 {
                    if good[k] != s[i + k] {
                        cnt += 1;
                    }
                }

                for k in 0..7 {
                    if problem[k] != s[j + k] {
                        cnt += 1;
                    }
                }
                ans = std::cmp::min(ans, cnt);
            }
        }
        writeln!(out, "{}", ans).ok();
    }
    stdout().write_all(&out).unwrap();
}