3. Grupul de litere incepe cu:

HR-41-A??HR-41-B??HR-41-C??HR-41-D??HR-41-E??HR-41-F??HR-41-G??HR-41-H??HR-41-I??
HR-41-J??HR-41-K??HR-41-L??HR-41-M??HR-41-N??HR-41-O??HR-41-P??HR-41-Q??HR-41-R??
HR-41-S??HR-41-T??HR-41-U??HR-41-V??HR-41-W??HR-41-X??HR-41-Y??HR-41-Z??