#include <bits/stdc++.h>
#include <map>

using namespace std;

void isHackerRank(string s) {
    
    bool isHacker = true;
    map<char, int> index;
    map<char, int> count;
        
    for (int i=0; i< s.size(); ++i) {
        index[s[i]] = i;
        count[s[i]] += 1;
    }
    
    if (count['r'] < 2 || count['k'] < 2 || count['a'] < 2)  {
        isHacker = false;
        cout << "NO" << endl;
        return ;
        
    } else {
        for (int i=0; i < s.size() - 1; ++i) {
            if (count[s[i]] > 0 && index[s[i]] < index[s[i+1]]) {
                isHacker = true;
            } else {
                isHacker = false;
            }
        }
    }
   if (isHacker == true) {
       cout << "YES" << endl;
   } else {
       cout << "NO" << endl;
   }
}

int main(){
    int q;
    cin >> q;
    for(int a0 = 0; a0 < q; a0++){
        string s;
        cin >> s;
       isHackerRank(s);
    }
    return 0;
}