q = io.read("*number", "*l")
a0 = 0
while a0 < q do
    s = io.read()
    x = 1
    y = 1
    HR = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'} --10 letters
    repeat
        if string.char(string.byte(s, x)) == HR[y] then
            y = y+1
            if y == 11 then
                print("YES")
            end
        end
        x = x+1
    until string.byte(s, x) == nil or y == 11
    if y < 11 then
        print("NO")
    end
    a0 = a0 + 1
end