The big seal script for Inside is
The small seal script for the script is
similar but the person is out of the top of cave! What kind of cave, and what kind of person?
I don't know the reason why the person gets out. It is a little bit strange, but it was accepted by people.
The clerical script for the character is
The song typeface for the character is
Its pinyin is Nei4.
(Other related blogs
Creative Chinese Calligraphy - https://creativechinesecalligraphy.blogspot.com/2016/05/the-beautiy-of-creative-calligraphy-1.html)
Chinese Calligraphy History - https://leweishang.blogspot.com/2016/02/picto-calligraphy-new-way-to-write.html)