N = int(raw_input().strip())
L = ['h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k']
L1 = []
for i in range (N):
    s = raw_input().strip()
    t = 0
    for j in s:
        if j == L[t]:
            t = t+1
            if t>9:
                break
    if t == 10:
        L1.append("YES")
    else:
        L1.append("NO")

for i in L1:
    print i