| Answer | Crossword Clue |
|---|---|
| TEST | "1-2-3, 1-2-3," e.g. |
| TSA | Org. with a "3-1-1 for Carry-ons" rule |
| SERIES | 1, 1, 2, 3, 5, 8, 13, 21, 34 ..., e.g. |
| TSA | Org. with a 3-1-1 rule for carry-on liquids |
| FIBONACCI | Eponym of a number series that begins 1, 1, 2, 3, 5, 8, ... |
| TSP | 1 1-3 drams: Abbr. |
