There is a total of 117976 clues beginning with l
- Letter sender
- Letter sender took a spill? (Norman)
- Letter sent through cyberspace
- Letter sent to a tractor company?
- Letter sequence
- Letter series
- Letter set, abbr
- Letter shaped like a horseshoe
- Letter shaped like a P
- Letter shaped like a pitchfork
- Letter shaped like an upside-down U
- Letter shift of a sort
- Letter shuffle
- Letter sign-off
- Letter sign-off wd
- Letter sign-off word
- Letter sign-off, with 26 Across
- Letter sign-off
- Letter signoff
- Letter six after alpha
- Letter six after nu
- Letter six before nu
- Letter slot
- Letter start
- Letter starter
- Letter steak
- Letter stick-on
- Letter string
- Letter stroke
- Letter strokes
- Letter styles
- Letter substitute
- Letter successor, to a large degree
- Letter switched to ess in this puzzle's theme
- Letter systems
- Letter taker
- Letter taker, for short
- Letter takers
- Letter takers, for short
- Letter than rhymes with the ones just before and after it
- Letter that appears 28 times in this grid
- Letter that appears at least once in every single answer in this puzzle
- Letter that appears twice in the Schrödinger equation
- Letter that begins and ends this puzzle's six longest answers
- Letter that bends 90 degrees
- Letter that can have a cedilla in French
- Letter that comes before upsilon
- Letter that doesn't need a stamp
- Letter that doesn't need an envelope or stamp
- Letter that follows Abie
- Letter that follows epsilon
- Letter that follows pi
- Letter that forms a right angle
- Letter that hints at how 18 answers in this puzzle should be filled in
- Letter that looks like a flipped y
- Letter that looks like a horseshoe
- Letter that looks like a P
- Letter that looks like a pitchfork
- Letter that looks like an H
- Letter that looks like H
- Letter that looks the same upside down
- Letter that may be used by 61-Down
- Letter that might go through a filter
- Letter that might include an emoticon
- Letter that opens with a click
- Letter that originally represented an ox head
- Letter that precedes kappa
- Letter that represents change in mathematics
- Letter that represents the Golden Ratio
- Letter that requires clicking, not licking
- Letter that requires no postage
- Letter that resembles the "y" of Disney's signature
- Letter that rhymes with "theta"
- Letter that rhymes with 34-Across and 21-Down
- Letter that rhymes with its preceding and following letter
- Letter that rhymes with its two successors
- Letter that rhymes with the letters before and after it
- Letter that rhymes with the two that follow it
- Letter that rhymes with three other letters
- Letter that rhymes with three others
- Letter that sounds like a question
- Letter that sounds like an expression of relief
- Letter that symbolizes viscosity
- Letter that's also a name
- Letter that's an anagram of 111-Down
- Letter that's an anagram of 16-Across
- Letter that's another letter without its middle letter
- Letter that's dropped?
- Letter that's not really at the end of the Greek alphabet
- Letter that's only 25% of the way through the Greek alphabet, surprisingly
- Letter that's opened with a double-click
- Letter that, surprisingly, is not the end of the Greek alphabet
- Letter that’s sixth in the Greek alphabet, not last
- Letter the Post Office cannot deliver
- Letter thought to resemble a skull
- Letter through a filter
- Letter to a publisher, perhaps
- Letter to a Viking
- Letter to a Viking?