#include <stdio.h>
#include <string.h>

int main(int argc, char **argv)
{
	int q, len, i, j, lenbase;
	char str[12345], base[] = "hackerrank";

	lenbase = strlen(base);
	scanf("%d", &q);
	while(q--)
	{
		scanf("%s", str);
		len = strlen(str);
		
		i = 0;
		for(j = 0; j < lenbase; j++)
		{
			while((i < len) && (str[i++] != base[j]))
				;
			
			if((str[i-1] == 'k') && (base[j] == 'k'))
				;
			else if(i >= len)
				break;
		}

		if(j == lenbase)
			printf("YES\n");
		else
			printf("NO\n");
	}

	return 0;
}