Q-FFF Theory says: There is only one mother particle able to transform by scattering with other (compound) strings to create all other basics particles.
It is called the Mother Torus shaped Vacuum String, able to transform by 3x symmetric Hinges between 4x macaroni parts, with each max 90 degree rotation.
see also: (22) (PDF) 6x9 2023-B-17-nieuw Splitting-BH-BB-12 (researchgate.net)