testcases=int(input())
for i in range(testcases):
    word=input().lower()
    l=["h","a","c","k","e","r","r","a","n","k"]
    pos=-1
    temp=0
    failed=False
    for letter in l:
        pos=word.find(str(letter),pos+1)
        if (pos<0):
            failed=True
            break;
    if(not failed):
        print("YES")
    else:
        print("NO")