#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main(){
    int q,i,count; 
    scanf("%d",&q);
    for(int a0 = 0; a0 < q; a0++){
        char* s = (char *)malloc(512000 * sizeof(char));
        scanf("%s",s);
        count=1;
        // your code goes here
        for(i=0;i<strlen(s);i++)
            {
            if(s[i]=='h'&&count==1){
                count++;
            }
            else if(count==2&&s[i]=='a'){
                count++;
                            }
             else if(count==3&&s[i]=='c'){
                count++;
                            }
             else if(count==4&&s[i]=='k'){
                count++;
                            }
             else if(count==5&&s[i]=='e'){
                count++;
                            }
             else if(count==6&&s[i]=='r'){
                count++;
                            }
             else if(count==7&&s[i]=='r'){
                count++;
                            }
             else if(count==8&&s[i]=='a'){
                count++;
                            }
             else if(count==9&&s[i]=='n'){
                count++;
                            }
             else if(count==10&&s[i]=='k'){
                count++;
                            }
        }
    
    if(count==11)
        printf("YES\n");
    else
        printf("NO\n");
    }
    return 0;
}