Jelly, 8 bytes

=TḢɗÐƤ¹Ƈ

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Returns values 1-indexed. Tack on a ’ for 0-indexed values. Port of my Vyxal answer.

    ÐƤ    Map over the suffixes...
---ɗ      Collect three links as a dyad...
 T        Indices where
=         Input equals each value
  Ḣ       Find the first such index
      ¹Ƈ  Filter out zeroes