Question: what are 2 letter words?
Answer: 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.