| Letter in Hebrew writing | 24 |
| Letter in red and violet | 24 |
| Letter in Socrates' name | 28 |
| Letter in the Daily Mirror | 26 |
| Letter in the Globe and Mail | 28 |
| Letter in the London Times | 26 |
| Letter in the middle: abbr. | 27 |
| Letter insert, briefly | 22 |
| Letter made with two fingers | 28 |
| Letter man's house | 22 |
| Letter of approval?: Abbr. | 26 |
| Letter of regret to a G.I. | 26 |
| Letter on a certain key | 23 |
| Letter on a frat house | 22 |
| Letter on a scholar's key | 29 |
| Letter on a transcript | 22 |
| Letter on fraternity row | 24 |
| Letter on Kal-El's chest | 28 |
| Letter on some Swiss watches | 28 |
| Letter opener's creation | 28 |
| Letter opener, at times | 23 |
| Letter opener, of a sort | 24 |
| Letter opener, sometimes | 24 |
| Letter out for a stroll? | 24 |
| Letter preceding bravo | 22 |
| Letter resembling a trident | 27 |
| Letter sequence in the air | 26 |
| Letter shaped like a P | 22 |
| Letter signoff, for short | 25 |
| Letter starter of yore | 22 |
| Letter taker, for short | 23 |
| Letter that follows epsilon | 27 |
| Letter that follows pi | 22 |
| Letter that sometimes bounces | 29 |
| Letter that's also a name | 29 |
| Letter to Santa contents | 24 |
| Letter to Santa, essentially | 28 |
| Letter two before iota | 22 |
| Letter with a 90-degree bend | 28 |
| Letter with a double curve | 26 |
| Letter with a double twist | 26 |
| Letter with a right angle | 25 |
| Letter with jay or tee | 22 |
| Letter writer's 52? | 23 |
| Letter writer's aid | 23 |
| Letter writer's sign-off | 28 |
| Letter writer's signoff | 27 |
| Letter writer, formally | 23 |
| Letter writing, it's said | 29 |
| Letter writing, some say | 24 |
| Letter's antecedent | 23 |
| Letter's first word | 23 |
| Letter's must-have | 22 |
| Letter's rest period? | 25 |
| Letter-box inscription | 22 |
| Letter-drop site: abbr. | 23 |
| Letter-exchanging friends | 25 |
| Letter-extending abbr. | 22 |
| Letter-getter, for short | 24 |
| Letter-getting opportunities | 28 |
| Letter-opener for some | 22 |
| Letter-opener, at times | 23 |
| Letter-perfect contest? | 23 |
| Letter-perfect school event | 27 |
| Letter-reading rituals | 22 |
| Letter-routing letters | 22 |
| Letter-shaped aperture | 22 |
| Letter-shaped bike lock | 23 |
| Letter-shaped bolt fastener | 27 |
| Letter-shaped bolt link | 23 |
| Letter-shaped bridge support | 28 |
| Letter-shaped building beam | 27 |
| Letter-shaped building wings | 28 |
| Letter-shaped fastener | 22 |
| Letter-shaped fasteners | 23 |
| Letter-shaped grippers | 22 |
| Letter-shaped hardware | 22 |
| Letter-shaped hardware item | 27 |
| Letter-shaped hardware items | 28 |
| Letter-shaped iron bar | 22 |
| Letter-shaped metal bar | 23 |
| Letter-shaped part of a grate | 29 |
| Letter-shaped shelf support | 27 |
| Letter-shaped shoe band | 23 |
| Letter-shaped shoe fastener | 27 |
| Letter-shaped shop devices | 26 |
| Letter-shaped sink fitting | 26 |
| Letter-shaped steel girder | 26 |
| Letter-shaped structural beam | 29 |
| Letter-shaped supporter | 23 |
| Letter-shaped supports | 22 |
| Letter-shaped tesserae | 22 |
| Letter-shaped wagon tongue | 26 |
| Letter-shaped wood holder | 25 |
| Letter-signing servant: Abbr. | 29 |
| Letter-to-Santa enclosure | 25 |
| Letter-to-Santa itemization | 27 |
| Letter-unscrambling games | 25 |
| Letter-writer's sign-off | 28 |
| Letter-writing friends | 22 |