3. Grupul de litere incepe cu:

BC-38-A??BC-38-B??BC-38-C??BC-38-D??BC-38-E??BC-38-F??BC-38-G??BC-38-H??BC-38-I??
BC-38-J??BC-38-K??BC-38-L??BC-38-M??BC-38-N??BC-38-O??BC-38-P??BC-38-Q??BC-38-R??
BC-38-S??BC-38-T??BC-38-U??BC-38-V??BC-38-W??BC-38-X??BC-38-Y??BC-38-Z??