q=int(input())
req=['h','a','c','k','e','r','r','a','n','k']
for i in range(q):
    text=input()
    flag=1
    k=0
    for j in text:
        if(j==req[k]):
            k+=1
        if(k==10):
            print("YES")
            break
    if(k!=10):
        print("NO")