| Clue | Source | Date |
|---|---|---|
| Just a single | Wall Street Journal | 06 Apr 2019 |
| Just a single | ||
| The slightest amount | New York Times | 19 Feb 2018 |
| The slightest amount | ||
| Any | The Chronicle of Higher Education | 20 Oct 2017 |
| The slightest amount | Jonesin | 19 Sep 2017 |
| Any | ||
| The slightest number | ||
| [See circled letters] |