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What should replace the question mark on this list?

JBNRS, HF, GM, JPD, VL, AELMP, MS, WB, CB, GS, EC, SV, PD, PEJP, ?, …

Hint, added later:

There's a hint alluded to via wordplay in the post title.

What should replace the question mark on this list?

JBNRS, HF, GM, JPD, VL, AELMP, MS, WB, CB, GS, EC, SV, PD, PEJP, ?, …

Hint, added later:

There's a hint alluded to via wordplay in the post title.

Hint, added even later:

Although I list JBNRS first, there was, some five or six years earlier, PHCS. But PHCS doesn't really count.

What should replace the question mark on this list?

JBNRS, HF, GM, JPD, VL, AELMP, MS, WB, CB, GS, EC, SV, PD, PEJP, ?, …

What should replace the question mark on this list?

JBNRS, HF, GM, JPD, VL, AELMP, MS, WB, CB, GS, EC, SV, PD, PEJP, ?, …

Hint, added later:

There's a hint alluded to via wordplay in the post title.