If you are well versed in C4D you could create that, otherwise I would start with trapcode form. The Text to Sand tutorial would be a good place to start. The technique could be modified to create the effect you are trying to achieve.
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.