Scrabble/Two-Letter Words

Having a knowledge of all of the two-letter words will greatly improve your Scrabble gameplay, either when you need to build off an existing tile to form a new word, or at the end of the game when you have two or three tiles left and need to dump them off as quickly as possible. Two-letter words are also very useful when playing a new word parallel (alongside, above, or beneath) to an existing word.

Tournament Word List (TWL) 2-letter words
There are 107 acceptable 2-letter words listed in the Official Scrabble Players Dictionary, 6th Edition (OSPD6), and the Official Tournament and Club Word List (OTCWL, or simply, TWL):


 * AA, AB, AD, AE, AG, AH, AI, AL, AM, AN, AR, AS, AT, AW, AX, AY


 * BA, BE, BI, BO, BY
 * DA, DE, DO
 * ED, EF, EH, EL, EM, EN, ER, ES, ET, EW, EX
 * FA, FE
 * GI, GO
 * HA, HE, HI, HM, HO
 * ID, IF, IN, IS, IT
 * JO
 * KA, KI
 * LA, LI, LO
 * MA, ME, MI, MM, MO, MU, MY
 * NA, NE, NO, NU
 * OD, OE, OF, OH, OI, OK, OM, ON, OP, OR, OS, OW, OX, OY
 * PA, PE, PI, PO
 * QI
 * RE
 * SH, SI, SO
 * TA, TE, TI, TO
 * UH, UM, UN, UP, US, UT
 * WE, WO
 * XI, XU
 * YA, YE, YO
 * ZA

Collins Scrabble Word (CSW) 2-letter words


There are 20 2-letter words that are acceptable in only CSW, making a total of 127 CSW-acceptable 2-letter words:


 * CH
 * DI
 * EA, EE
 * FY
 * GU
 * IO
 * JA
 * KO, KY
 * NY
 * OB, OO, OU
 * ST
 * UG, UR
 * YU
 * ZE, ZO

Note: PH was removed from CSW in 2007.