| Clue | Source | Date |
|---|---|---|
| Now and then | Newsday | 12 Oct 2023 |
| Sporadically | The Washington Post | 19 Apr 2022 |
| Sporadically | LA Times Daily | 19 Apr 2022 |
| Not all at once | The Washington Post | 22 Jan 2022 |
| Not all at once | LA Times Daily | 22 Jan 2022 |
| Sporadically | Universal | 04 Jun 2016 |
| Sporadically | ||
| Every now and then | ||
| Now and then | ||
| Not gradually | ||
| Sporadically | ||
| Sporadically | ||
| Sporadically |