All Two-Letter Words Legal in Scrabble: The Complete List

August 2026 ยท 5 min read

Two-letter words are the foundation of competitive Scrabble. They're how you make parallel plays, laying a word alongside an existing one so that every adjacent pair forms a valid two-letter word. A single parallel play can score 30, 40, even 50 points because you're effectively making multiple words in one turn. They also let you dump awkward high-value tiles in tight board positions.

There are 127 valid two-letter words in the SOWPODS dictionary (used in international tournament Scrabble). North American tournament play uses TWL, which has a slightly smaller list, about 107 two-letter words. This article covers the full SOWPODS list.

Why Two-Letter Words Matter So Much

Consider this situation: your opponent has played HOUSE across the board. You have the letters PAINTING. If you know your twos, you can play PAINTING parallel to HOUSE, creating five separate two-letter words in the perpendicular direction, each one scoring individually. Without knowing which two-letter combinations are valid, this entire class of play is invisible to you.

The highest-value twos are the ones containing J, Q, X, or Z. QI (worth 11), ZA (11), JO (9), XI (9), XU (9), AX (9), EX (9), and OX (9) let you place expensive tiles in tight spaces where longer words won't fit. On a triple letter square, ZA scores 31 points in two tiles.

The Complete SOWPODS Two-Letter Word List

Here's every valid two-letter word, organised alphabetically. Definitions are provided for the less obvious ones, you don't need to know meanings to play them, but it helps for memorisation.

A words: AA (rough lava), AB (abdominal muscle), AD, AE (Scottish: one), AG (agriculture, informal), AH, AI (three-toed sloth), AL (East Indian tree), AM, AN, AP (short for ape/apex in dialect), AR (the letter R), AS, AT, AW (exclamation), AX, AY (yes, always)

B words: BA (the soul in Egyptian mythology), BE, BI (bisexual, informal), BO (exclamation to startle), BY

C words: CH (dialect: I), CI (a unit in Chinese)

D words: DA (Burmese knife), DE (of, used in names), DI (plural of deus), DO

E words: EA (river, dialectal), ED (education, informal), EE (Scottish: eye), EF (the letter F), EH, EL (the letter L / elevated railway), EM (typographic unit), EN (typographic unit, half an em), ER, ES (the letter S), ET (past tense of eat, dialectal), EX

F words: FA (musical note), FE (Hebrew letter), FY (exclamation of disgust)

G words: GI (martial arts uniform), GO, GU (Shetland fiddle)

H words: HA, HE, HI, HM, HO

I words: ID, IF, IN, IO (a moth / Hawaiian hawk), IS, IT

J words: JA (South African: yes), JO (Scottish: sweetheart)

K words: KA (Egyptian spirit), KI (Japanese life force), KO (Maori digging stick), KY (cows, Scottish)

L words: LA (musical note), LI (Chinese unit of distance), LO (look!, exclamation)

M words: MA, ME, MI (musical note), MM, MO (a moment), MU (Greek letter)

N words: NA (Scottish: no), NE (born as), NO, NU (Greek letter), NY (nigh, to approach)

O words: OB (an objection), OD (hypothetical force / overdose), OE (Scottish: grandchild), OF, OH, OI (exclamation), OK, OM (sacred syllable), ON, OO (Scottish: wool), OP (operation, informal), OR, OS (bone / mouth), OU (South African: man), OW, OX, OY (grandchild, Yiddish)

P words: PA, PE (Hebrew letter), PI (Greek letter / 3.14159...), PO (chamber pot)

Q words: QI (Chinese life force, the only Q-without-U two-letter word)

R words: RE (musical note / regarding)

S words: SH (hush), SI (musical note, variant of ti), SO, ST (hush, exclamation)

T words: TA (thank you, British informal), TE (variant of ti, musical note), TI (musical note), TO

U words: UG (to feel dread), UH, UM, UN (one, dialect), UP, UR (hesitation sound), US, UT (musical note, old name for do)

W words: WE, WO (variant of woe)

X words: XI (Greek letter), XU (Vietnamese monetary unit)

Y words: YA (informal you), YE (archaic you), YO (exclamation), YU (precious jade)

Z words: ZA (pizza, informal), ZO (Tibetan yak hybrid)

The Most Strategically Important Twos

Not all two-letter words are equally useful. These are the ones that come up most in competitive play:

High-value tile dumps:

  • QI, The only legal way to play Q in two letters. Memorise this one above all others.
  • ZA, ZO, Z is easy to dump with these. ZA on a triple letter = 31 points.
  • JO, JA, J options are limited in twos, so these are essential.
  • XI, XU, AX, EX, OX, X has five two-letter options, making it the easiest high-value tile to play.

Parallel play enablers:

  • Vowel-vowel combos: AA, AE, AI, OE, OI allow you to play consonant-heavy words parallel to vowel-heavy ones. These are often the trickiest to remember because they look wrong.
  • Consonant starters with uncommon vowels: KA, KI, GU, NU, MU, ZA let you form crosswords where you'd otherwise be stuck.

How to Use Twos for Parallel Plays

A parallel play works like this: you place your word directly above or below (or beside) an existing word, so that each tile in your word pairs with the tile directly adjacent in the existing word, forming valid two-letter words.

For example, if GAME is on the board and you place TAXI below it so that T is under G, A is under A, X is under M, I is under E, you'd need GT, AA, MX, and EI to all be valid words. They're not (GT and MX aren't words), so that specific placement fails. But if you shift your word so the valid pairs line up, you can score massively.

The trick is checking each vertical pair. The more two-letter words you know, the more parallel plays you'll spot. Players who know all 127 see scoring opportunities that others simply can't perceive.

How to Memorise Them

Don't try to learn all 127 at once. Work through them in stages:

  1. Start with the obvious ones you already know (IS, IT, AN, AT, etc.). Cross them off mentally.
  2. Learn the high-value tile words next (QI, ZA, ZO, JO, XI, XU). These have immediate game impact.
  3. Then the vowel-vowel combinations (AA, AE, AI, OE, OI, IO, OO). These are the most unintuitive.
  4. Finally, the obscure consonant words (CH, GU, KY, NY, SH, ST). These come up in parallel plays.

Quiz yourself by going through the alphabet: "What two-letter words start with K?" (KA, KI, KO, KY). Do this in the shower, on the bus, wherever. Within a couple of weeks you'll have them all locked in.

Check Any Word's Validity

Not sure if a two-letter word is valid in your version of Scrabble? Use our word unscrambler to check, enter the two letters and it'll confirm whether it's in the dictionary.