object Solution {

    def main(args: Array[String]) {
        val sc = new java.util.Scanner (System.in);
        var q = sc.nextInt();
        var a0 = 0;
        val hr = List('h','a','c','k','e','r','r','a','n', 'k')
        var buf = hr
        
        while(a0 < q){
            var s = sc.next();
            if(findSubStr(s, 0, hr)) println("YES")
            else println("NO")
            a0+=1;
        }
    }
    
    def findSubStr(s:String, i:Int, buf:List[Char]):Boolean = {
        if(buf.length == 0) return true
        if(i == s.length) return false
        if(buf.head == s(i)) return findSubStr(s, i+1, buf.drop(1))
        return findSubStr(s, i+1, buf)
    }
}