| Answer | Crossword Clue |
|---|---|
| OMICRON | Between xi and pi |
| OMICRON | Xi-pi go-between |
| CHI | Between xi and eta |
| XII | Between XI and I, in a way |
| RHO | Between pi and sigma |
| RHO | Between pi and sigma. |
| RHO | It's between pi and sigma |
| RHO | Letter between pi and sigma |
| SIGMA | It's halfway between pi and upsilon |
