CREATE TABLE table_name_18 (three_mora_word VARCHAR2, one_mora VARCHAR2, accented_mora VARCHAR2)

What is the three-mora word with a low tone accented mora and a one mora of 2?
SELECT three_mora_word FROM table_name_18 WHERE NOT accented_mora = "low tone" AND one_mora = "2"
SELECT "three_mora_word" FROM "table_name_18" WHERE "2" = "one_mora" AND "accented_mora" <> "low tone"