Sorting an array of strings with priority for characters «s» and «k»

Given an array of strings. It is required to sort it according to the following rules:

1. Strings equal to "s" and "k" should be at the beginning of the array (the order between them is not important);
2. The remaining strings are sorted lexicographically;
3. The original array may contain any lowercase letters.

public class Main{
    public static void main(String[] args){
        List<String> list = List.of("f", "z", "y", "e", "b", "i", "g", "a", "k", "h", "s", "w");
    }
}