| Let ___ (bettor's expression) | 33 |
| Let ___ (decline to take action) | 32 |
| Let's get ---! (Let's go!) | 34 |
| Let's have some champagne . . . | 35 |
| Let's hope no one fixes yours | 33 |
| Lethal weapons in "The Birds" | 39 |
| Lethally poisoned ruler, familiarly | 35 |
| Leto of "My So-Called Life" | 37 |
| Lets a ground ball go through one's legs, say | 49 |
| Lets everyone know one's asleep | 35 |
| Lets out, as Festivus grievances | 32 |
| Lets the fingers do the talking? | 32 |
| Letter after Beta in a society's name | 41 |
| Letter after elle in the Spanish alphabet | 41 |
| Letter after Juliet in a phonetic alphabet | 42 |
| Letter after Quebec in a radio alphabet | 39 |
| Letter after sierra, in radio lingo | 35 |
| Letter announcing a switch to Toro? | 35 |
| Letter before Beta in a society's name | 42 |
| Letter before eme in the Spanish alphabet | 41 |
| Letter before kappa, alphabetically | 35 |
| Letter before lima in the NATO phonetic alphabet | 48 |
| Letter before Peter in a phonetic alphabet | 42 |
| Letter before Peter in an old phonetic alphabet | 47 |
| Letter before Peter in old radio lingo | 38 |
| Letter between "kay" and "em" | 49 |
| Letter between Delta and Foxtrot | 32 |
| Letter between Quebec and Sierra | 32 |
| Letter between sierra and uniform | 33 |
| Letter between two others that rhyme with it | 44 |
| Letter between two rhyming letters | 34 |
| Letter between whiskey and foxtrot, maybe | 41 |
| Letter carrier's assignment: Abbr. | 38 |
| Letter carriers in "Harry Potter" | 43 |
| Letter carriers' assignments | 32 |
| Letter encl. to facilitate a reply | 34 |
| Letter for which a curve is named | 33 |
| Letter from an unmarried female? | 32 |
| Letter halfway between alpha and nu | 35 |
| Letter hidden where you might forget to wash? | 45 |
| Letter in "walk" and "talk" | 47 |
| Letter in a mysterious inscription | 34 |
| Letter often written by Rhodes scholars? | 40 |
| Letter on some campus sweatshirts | 33 |
| Letter on some college sweatshirts | 34 |
| Letter on the AutoSum button in Excel | 37 |
| Letter pair in ''pummel'' | 41 |
| Letter permitting a cleric to transfer | 38 |
| Letter prevalent in Mississippi? | 32 |
| Letter resembling an inverted "V" | 43 |
| Letter resembling an ox's head | 34 |
| Letter seen twice in Philadelphia | 33 |
| Letter shaped like an upside-down U | 35 |
| Letter similar to a German Eszett | 33 |
| Letter smuggled past prison censors | 35 |
| Letter successor, to a large degree | 35 |
| Letter switched to ess in this puzzle's theme | 49 |
| Letter that appears 28 times in this grid | 41 |
| Letter that can't form words? | 33 |
| Letter that comes before upsilon | 32 |
| Letter that doesn't need a stamp | 36 |
| Letter that looks like a horseshoe | 34 |
| Letter that looks like a pitchfork | 34 |
| Letter that looks the same upside down | 38 |
| Letter that might go through a filter | 37 |
| Letter that might include an emoticon | 37 |
| Letter that originally represented an ox head | 45 |
| Letter that requires clicking, not licking | 42 |
| Letter that rhymes with a colour | 32 |
| Letter that rhymes with its two successors | 42 |
| Letter that sounds like a question | 34 |
| Letter that's opened with a double-click | 44 |
| Letter thought to resemble a skull | 34 |
| Letter used to represent Lagrange multipliers | 45 |
| Letter used to represent resistance | 35 |
| Letter with a limited amount of space | 37 |
| Letter with the largest section in a dictionary | 47 |
| Letter writer's afterthoughts | 33 |
| Letter writer's embellishment | 33 |
| Letter writing and blacksmithing | 32 |
| Letter writing, as some would say | 33 |
| Letter written as a straight vertical line | 42 |
| Letter you can read without the light on | 40 |
| Letter-shaped bit of NASA equipment | 35 |
| Letter-shaped construction component | 36 |
| Letter-shaped construction girder | 33 |
| Letter-shaped construction piece | 32 |
| Letter-shaped construction pieces | 33 |
| Letter-shaped construction support | 34 |
| Letter-shaped fastener used in woodworking | 42 |
| Letter-shaped hardware used to strengthen joints | 48 |
| Letter-shaped opening for a bolt | 32 |
| Letter-shaped opening in a machine shop | 39 |
| Letter-shaped opening in some pistons | 37 |
| Letter-shaped skyscraper support | 32 |
| Letter-shaped structural support | 32 |
| Letter-shaped, threaded fastener | 32 |
| Letter-writer's afterthoughts | 33 |
| Letter-writer's third afterthought | 38 |
| Letter-writing friend from far away | 35 |