s and s

Example

H-H

Illustration

e.g. H-H

파일

https://lh7-us.googleusercontent.com/UQ3jSL-LWuEwqQUugnrt_tWPe58HLP1CMOdhLXkuTDXQdZVVdySHlHzs04_HH4kUam9ypSy-snK8xaByhR_4ElRCzX9bsDMS85bOWlO2qLimFQAEe3p_XQYzwxehaAo4udc0I25ZqM-N0b7Vq8oFiN0