object Solution {

    def main(args: Array[String]) {
        val sc = new java.util.Scanner (System.in);
        var q = sc.nextInt();
        var a0 = 0;
        var a = Array('h','a','c','k','e','r','r','a','n','k')
        while(a0 < q){
            var s = sc.next().toString.toCharArray;
            // your code goes here
            var i = 0
            var j = 0
               
            while(j < s.length && i != a.length){
                if(s(j) == a(i)){
                    j = j + 1
                    i = i + 1    
                } else {
                    j = j+1
                }
            }
                
            if(i == a.length) println("YES") else println("NO")
            a0= a0 + 1;
        }
    }
}