Here are some Scrabble-approved two-letter words:
- aa: A type of lava characterized by a rough, crinkly surface.
- ab: An abdominal muscle. Often 10-minute or 6-pack.
- ad: An advertisement.
- ae: A Scottish version of "one".
- ag: Agriculture.
- ah: To exclaim "ah!".
- ai: The maned three-toed sloth. Known as Bradypus torquatus scientifically, it lives in southeast Brazil.
- al: An Indian mulberry tree, Morinda citrifolia.
- am: The first-person singular form of "be".
- an: The form of "a" before a vowel.
- ar: The letter "R".
- as: In the same way, or to the same degree.
- at: During, in, near, or by.
- aw: An exclamation of protest.
- ax: To literally use an ax (a sharp tool), or to fire or kill someone.
- ay: A vote "yes".
- ba: One of the five components of the soul, according to Ancient Egyptian religion.
- be: To exist; a verb used to provide descriptions.
- bi: Bisexual.
- bo: A friend.
- by: Near or next to; at or before a certain time; using.
- de: Of or from, like in a person's or place's name. Examples include Lee De Forest and Charles de Gaulle.
- do: The second note of the musical scale, or to complete some action.
- ed: Education.
- ef: The letter "F".
- eh: An expression of doubt.
- el: An elevated train.
- em: The letter "M".
- en: The letter "N".
- er: An expression of hesitation.
- es: The letter "S".
- et: Ate.
- ex: To cross out.
- fa: The fourth note of the musical scale; a long, long way to run.
- go: To leave, move, or work effectively. Also, a Japanese board game.
- ha: An expression of surprise or amusement.
- he: A male person; the male 3rd person singular subject pronoun.
- hi: A word of greeting.
- hm: A word expressing thought and consideration.
- ho: A prostitute.
- id: From the Latin word for "it", the id is the part of the human psyche responsible for the most basic human urges, like food, sex, and anger—at least according to Freud.
- if: A possibility, or condition (i.e., requisite).
- in: To harvest.
- is: The third-person singular form of "be".
- it: The neuter 3rd person singular pronoun.
- jo: A sweetheart
- ka: Another of the five components of the soul in Ancient Egyptian religion. The ka is the spirit, or "life force", that leaves a body after death.
- la: The sixth note of the musical scale.
- li: A traditional Chinese unit of distance, now fixed at half a kilometer.
- lo: A word expressing surprise, or used to attract attention.
- ma:
- me:
- mi:
- mm:
- mo:
- mu:
- my:
- na:
- ne:
- no:
- nu:
- od:
- oe: A whirlwind. This term is borrowed from the Faeroese language.
- of:
- oh:
- om:
- on:
- op:
- or:
- os:
- ow:
- ox:
- oy:
- pa:
- pe: The seventeenth letter of many Middle Eastern writing systems.
- pi:
- qi:
- re:
- si:
- so:
- ta:
- ti:
- to:
- uh:
- um:
- un:
- up:
- us:
- ut: The original name for the musical note "do". It came from the word ut in Latin.
- we:
- wo:
- xi:
- xu:
- ya:
- ye:
- yo:
- za: