Alpha fonts.

Have you considered alpha fonts (note names inside the notes)?

Is this what you’re looking for:

https://steinberg.help/dorico/v2/en/dorico/topics/notation_reference/notation_reference_notes_notehead_design_changing_individually_t.html

https://steinberg.help/dorico/v2/en/dorico/topics/notation_reference/notation_reference_notes_notehead_design_changing_project_wide_t.html#notation_reference_notes_notehead_design_changing_project_wide_t

Stew