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5 and 2 respectively.
None.
These barcodes are not independent barcodes but are used as additional codes in combination with GTIN-13, GTIN-8 or GTIN-12. If you want to place this additional code in ways other than those available in Barcody, you can create and export it separately.
The EAN 5 code is often found on books, combined with an ISBN 13 code. The book's price is then encoded in it. The EAN 2 code is mainly used for encoding the issue in magazines.