Query the list of CITY names from STATION that either do not start with vowels or do not end with vowels. code example

Example: Query the list of CITY names from STATION that either do not start with vowels or do not end with vowels. Your result cannot contain duplicates.

SELECT DISTINCT CITY FROM STATION WHERE LOWER(SUBSTR(CITY,1,1)) NOT IN ('a','e','i','o','u') AND LOWER(SUBSTR(CITY,LENGTH(CITY),1)) NOT IN ('a','e','i','o','u');