#include <iostream>
#include <string.h>

using namespace std;

int main()
{
    char s[100][10000];
    int n,i,j,k,flag,hack[100];
    cin >> n ;
    for(i=0;i<n;i++)
        cin >> s[i] ;
    int length;
    for(i=0;i<n;i++)
    {
        flag=0;
        length=strlen(s[i]);
        j=0;
        while( j< length && s[i][j]!='h')
            j++;
        if(s[i][j]=='h')
            flag++;
        while(j< length && s[i][j]!='a')
            j++;
        if(s[i][j]=='a')
            flag++;
        while(j<length && s[i][j] !='c')
            j++;
        if(s[i][j]=='c')
            flag++;
        while(j<length && s[i][j] != 'k')
            j++;
        if(s[i][j]=='k')
            flag++;
        while(j<length && s[i][j] != 'e')
            j++;
        if(s[i][j]=='e')
            flag++;
        while(j<length && s[i][j] != 'r')
            j++;
        if(s[i][j]=='r')
            flag++;
        j++;
        while(j<length && s[i][j] != 'r')
            j++;
        if(s[i][j]=='r')
            flag++;
        while(j<length && s[i][j] !='a')
            j++;
        if(s[i][j]=='a')
            flag++;
        while(j<length && s[i][j] !='n')
            j++;
        if(s[i][j]=='n')
            flag++;
        while(j<length && s[i][j] !='k')
            j++;
        if(s[i][j]=='k')
           flag++;
        hack[i]=flag;
    }
    for(i=0;i<n;i++)
    {
        if( hack[i] == 10)
            cout << "YES" << endl;
        else
            cout << "NO" << endl;
    }
    return 0;
}