| Answer | Crossword Clue |
|---|---|
| GRADE | D or F, but rarely E |
| DEM | L.B.J. or J.F.K., but not D.D.E. |
| VITAMIN | A, B, C, D, E, H, or K, but not F, G, I , or J |
| GRADES | A, B, C, D, and F, but not E |
| NUMERAL | C or D but not F |
| PRES | F.D.R. or D.D.E. |
| INITS | D.D.E. or J.F.K. |
| DEM | F.D.R. or J.F.K., e.g. |
| ERAT | Part of Q.E.F. or Q.E.D. |
| DEM | H.S.T. or F.D.R., e.g. |
