Weather Observation Station 12

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

Input Format

The STATION table is described as follows:

select distinct city
from station
where
    not regexp_like(city, '^[aeiou]', 'i') 
    and 
    not regexp_like(city, '[aeiou]$', 'i');