| Answer | Crossword Clue |
|---|---|
| PSI | Greek letter before omega |
| omegas | OMEGA, a Greek letter |
| PSI | Letter before omega |
| CHI | Second letter before omega |
| IOTA | Greek letter before kappa |
| KAPPA | Greek letter before lambda |
| digamma | letter of the early Greek alphabet that generally fell into disuse in Attic Greek before the classical period and that represented a sound similar to English w |
