TEXT EFFECT
Open Space File A & B > Duplicate
Select File A > Text Tool > Type text S
Layer Style > Stroke > Position : Outside > Red color
Drop Shadow > Distance & Size Set
Move Text With Alt Key > Copy > Type Text P
File B > Copy > & Paste at File A
Ctrl + Alt + G : Create Clipping Mask
Ctrl + T : Size Set
Thanks to Google
Thanks to ChatGPT