import java.util.regex.Pattern;
public class MainClass {
public static void main(String args[]) {
String statement = "a b c d e f g h i j k l";
String splitPattern = "e|c|a|a|(a b d e)|(b c e)";
Pattern p = Pattern.compile(splitPattern);
String[] tokens = p.split(statement);
for (int i = 0; i < tokens.length; i++) {
System.out.println(tokens[i]);
}
}
}