Letter Boxed Solver: All Words & Two-Word Solutions

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How to Use This Letter Boxed Solver

This is a free Letter Boxed solver that loads today's New York Times board automatically, lists every word the puzzle will accept, and finds every two-word solution. It works in three ways, depending on what you need:

• Today's puzzle, exact answers: hit "Load today's NYT puzzle". The solver fetches today's official board and its official dictionary, so every word and every solution shown is guaranteed to be accepted in the game — no false positives, no rejected words.
• A nudge, not the whole answer: peek only at the "Best Words by Letter Coverage" section. The number next to each word counts its distinct letters — grab a strong opener and finish the chain yourself. Or take staged hints on our Letter Boxed answers page instead.
• Any custom board: type 12 letters into the four sides — three per side, all different — and press Solve. The solver switches to its common-English dictionary and works exactly the same way on archive puzzles, homemade boards or other letter-square games.

Results come in three groups: rare one-word solutions when a single word covers the whole board, two-word solutions sorted shortest-first, and the full valid-word list ranked by letter coverage so the strongest openers surface at the top.

What Counts as a Valid Word?

The solver enforces the same three rules the game does. A word is valid when every letter is on the board and no two consecutive letters come from the same side of the square. A solution additionally has to chain — each word starting with the final letter of the word before it — and to cover all 12 letters by the end. Letters may repeat freely along the way; only coverage matters.

The side-adjacency rule is what makes the puzzle spiky. Common digraphs like TH, ER or ING become impossible the moment their letters share a side, which is why a board can hide over a thousand valid words one day and only a few hundred the next. When the solver runs on today's official dictionary you'll see the exact count for the day — a neat difficulty gauge before you even start.

For custom boards, the solver uses a curated list of roughly 19,000 common English words. That overlaps heavily with the NYT's own dictionary but not perfectly: the game's list is hand-curated, accepts some crossword-ese, and rejects all proper nouns. If you're checking a word for today's real puzzle, always use the "Load today's NYT puzzle" mode — that one is authoritative.

Reading the Results Like a Solver

The fastest way to improve at this game is to study what the tool surfaces:

• Coverage beats length. Sort your eyes to the coverage numbers, not word length. A 7-letter word covering 7 distinct letters is a better opener than a 10-letter word covering 6 — the leftovers decide your second word.
• Watch the hinges. In the two-word list, notice which ending letters appear over and over as the join — S, T, R, E and P dominate because so many words start with them. Training yourself to end word one on a friendly hinge is the single biggest skill in Letter Boxed.
• Rare letters anchor everything. When the board carries a J, Q, X or Z, scan the two-word list and you'll see nearly every solution routes the rare letter through the same handful of words. Finding those host words first is exactly how strong players start.
• Learn from the misses. After you solve the daily puzzle honestly, load it here and skim what you didn't see. A few weeks of that turns "I never spot the long words" into a reliable two-word habit.

And if you'd rather not spoil the official answer, remember the split: this page tells you everything that's possible; the answers page reveals the one solution the NYT intended, behind staged hints.

Under the Hood: How the Search Works

The solver runs entirely in your browser — nothing you type is sent anywhere, and results appear in well under a second. The search itself is a compact three-stage pipeline:

1. Filter. Every dictionary word is checked against the board: all letters present, and no two consecutive letters from the same side. On a typical board this reduces tens of thousands of candidates to a few hundred playable words in a few milliseconds.
2. Fingerprint. Each surviving word gets a 12-bit coverage fingerprint — one bit per board letter. Two fingerprints can be merged with a single OR operation, which is what makes the pair search essentially instant.
3. Chain. Words are indexed by first letter. For every candidate opener, the solver looks up only the words that start on its final letter and keeps each pair whose combined fingerprint lights up all 12 bits. Pairs are then sorted shortest-first, because shorter solutions are almost always the more elegant ones.

The same machinery would find three-word chains too, but in practice it never needs to: NYT boards always carry a two-word solution, and on custom boards the coverage list plus one manual step is faster than wading through thousands of three-word combinations.

More Ways to Use the Solver

Beyond rescuing today's streak, a few uses regulars have found for this page:

• Post-game review. Solve honestly, then load the board and compare your line against the shortest pairs. Seeing the opener you missed — and what made it strong — is the fastest training loop the game offers.
• Archive practice. Keep the sides from an old puzzle (our answers page posts yesterday's board every day) and replay it here at your own pace, with the word list as a safety net.
• Building your own boards. Making a homemade puzzle for friends? Enter your candidate letters first and check it actually has a two-word solution before you send it — the difference between a fun board and a cruel one is usually one badly-placed vowel.
• Settling arguments. "That should have counted!" is now a testable claim: if the word obeys the side rule, the only question left is whether it's in the day's curated dictionary, and today's official list answers that definitively.

From Tool to Training Wheels: Getting Solver-Free

If your goal is to eventually not need this page, use it on a schedule rather than on impulse. A plan that has worked for many regulars:

Weeks one and two — study openers. Play normally, then load the board here and read only the top of the coverage list. Ask one question each day: what does the best opener have that mine didn't? Usually the answer is letter diversity — it touched seven or eight distinct letters where yours touched five. You are training your eye for coverage, which is the core skill.

Weeks three and four — study hinges. Now read the two-word list instead and note the joining letter of each pair. You'll see the same handful of hinge letters carrying most solutions. Before your first guess each morning, spend ten seconds asking which ending letters this board makes friendly — that habit alone converts most three-word solvers into occasional two-word ones.

After that — spot checks only. Solve fully on your own and open the solver just to see what you missed, the way a chess player reviews a game with an engine. The day you load the board and your own pair is already near the top of the list is the day the training wheels are off.

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