Is Qu a word in the scrabble dictionary?
The official list of acceptable 2-letter words for American tournament play approved by the National Scrabble Association includes: AA, AB, AD, AE, AG, AH, AI, AL, AM, AN, AR, AS, AT, AW, AX, AY, BA, BE, BI, BO, BY, DE, DO, ED, EF, EH, EL, EM, EN, ER, ES, ET, EX, FA, FE, GO, HA, HE, and more for a total of 100+ words.
You can find the complete list, plus their definitions, here.
You can add an “S” to the end of many of the 2-letter words to form a 3-letter word.
The word Scrabble was first trademarked back in 1948, and the first "Scrabble Factory" was established in an abandoned school located in Dodgington, Connecticut in which 12 games were created each hour.