| Answer | Crossword Clue |
|---|---|
| ALER | A or O, but not B |
| NOTE | A or B, but not O |
| ARTICLE | A, but not B or C |
| ELEM | B or C, but not A or D |
| ELEM | B or C, but not A or D: Abbr. |
| VITAMIN | A, B, C, D, E, H, or K, but not F, G, I , or J |
| DIR | E, but not A, I, O or U |
| ELEM | I, O or U, but not A and E |
| NOTE | A or E, but not I, O or U |
| KEYS | A and E, but not I, O or U |
| ELEM | I, O or U, but not A or E: Abbr. |
| ATNO | Fig. for I, O or U, but not A or E |
| DEM | L.B.J. or J.F.K., but not D.D.E. |
