#include<iostream> #include<string.h> #include<vector> using namespace std; int main() { int n; cin>>n; string s; for(int k=0;k<n;k++) { cin.ignore(); getline(cin,s); int c_h=0,c_a=0,c_c=0,c_k=0,c_e=0,c_r=0,c_n=0; for(int i=0;i<s.size();i++) { if(s[i]=='h') c_h++; else if(s[i]=='a') c_a++; else if(s[i]=='c') c_c++; else if(s[i]=='k') c_k++; else if(s[i]=='e') c_e++; else if(s[i]=='r') c_r++; else if(s[i]=='n') c_n++; } if(c_h>=1 && c_a>=2 && c_c>=1 && c_k>=2 && c_e>=1 && c_r>=2 && c_n>=1) { // cout<<"h:"<<c_h; cout<<"YES"<<endl; } else{ //cout<<"h:"<<c_h<<" a:"<<c_a<<" c:"<<c_c<<"k:"<<c_k<<" e:"<<c_e<<" r:"<<c_r<<" n:"<<c_n; cout<<"NO"<<endl; } } return 0; }