| Answer | Crossword Clue |
|---|---|
| TIMENOTE | I.O.U. with a deadline |
| VOWELS | A-e-i-o-u |
| VOCALIC | Like A, E, I, O and U |
| PNS | I.O.U.'s of a sort |
| PNS | I.O.U.'s of a kind |
| DIR | E, but not A, I, O or U |
| 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 and E |
| ELEM | I, O or U, but not A or E: Abbr. |
| ATNO | Fig. for I, O or U, but not A or E |
| RHYTHMS | Longest word not containing an a, e, i, o, or u |
| SYZYGY | Highest-scoring Scrabble word that doesn't use A, E, I, O or U |
