| Answer | Crossword Clue |
|---|---|
| ETA | First letter in the second quarter of the Greek alphabet |
| TAU | First letter in the fourth quarter of the Greek alphabet |
| ETA | Penultimate letter in the first third of the Greek alphabet |
| RHO | First letter in the last third of the Greek alphabet |
| chi | the twenty-second letter of the Greek alphabet |
| chis | the twenty-second letter of the Greek alphabet |
