#include<iostream>
using namespace std;
int main()
{
    int x;cin>>x;
    int i,j,counter=0;
    string c[x];
    for(i=0;i<x;i++)
    {
        int H=0,A=0,C=0,K=0,E=0,R=0,T=0;
        string s;
    cin>>s;
    for(j=0;j<s.length();j++)
    {
        switch(s[j])
        {
            case 'h':  H=H+1;
                       break;
            case 'a':  A=A+1;
                       break;
            case 'c':  C=C+1;
                       break;
            case 'k':  K=K+1;
                       break;
            case 'e':  E=E+1;
                       break;
            case 'r':  R=R+1;
                       break;
            case 'n':  T=T+1;
                       break;
            default :  break;
        }
          if(H>=1&&A>=2&&C>=1&&K>=2&&E>=1&&R>=2&&T>=1)
        {
            c[i]="YES";
        }
        else
        {

            c[i]="NO";
        }
    }
    }
     for(i=0;i<x;i++)
    {
        cout<<c[i]<<endl;
    }

}