*is almost afraid to add to the 6 stanzas above which appear to have auto[Raak]-completed with stark yet exquisite simplicity* And as no-one else has waded in - shall we leave it as it is?
*Forced ("Flavourful mesons are mesons made of pair of quark and antiquarks of different flavours. The rules are simpler in this case: the main symbol depends on the heavier quark, the superscript depends on the charge, and the subscript (if any) depends on the lighter quark.")