Hello!
Thank you for reaching out.
This is a font guide for you.
This guide applicable for computers only.
You can access Character Map on Windows, or Font Book on MAC to get special characters like heart and tail or ligature.
Please download the tutorial here :
https://drive.google.com/file/d/1ByneMlYyUQJwjB247J5UMUBc4_E4zAzR/view?usp=sharing
Tips for cricut :
After copy the character, create a text box on your cricut document, and then hit CTRL V
Hope it helps :)
Any question, feel free