#include <bits/stdc++.h>
#include <sstream>
using namespace std;

int main(){
    stringstream ss;
    char ch;
    int q,h=0,a=0,c=0,k=0,e=0,r=0,n=0;
    cin >> q;
    for(int a0 = 0; a0 < q; a0++){
        string s;
        cin >> s;
        ss<<s;
        while(ss.get(ch))
            {
            if(ch=='h'){h++;}
            if(ch=='a'){a++;}
            if(ch=='c'){c++;}
            if(ch=='k'){k++;}
            if(ch=='e'){e++;}
            if(ch=='r'){r++;}
            if(ch=='n'){n++;}

        }
        if(h>=1&&a>=2&&c>=1&&k>=2&&e>=1&&r>=2&&n>=1)
        {
            cout<<"YES"<<endl;
        }
        else{
            cout<<"NO"<<endl;
        }
        ss.clear();
        ss.str()="";
        h=a=c=k=r=n=e=0;
    }
    return 0;
}