3. Grupul de litere incepe cu:

PH-34-A??PH-34-B??PH-34-C??PH-34-D??PH-34-E??PH-34-F??PH-34-G??PH-34-H??PH-34-I??
PH-34-J??PH-34-K??PH-34-L??PH-34-M??PH-34-N??PH-34-O??PH-34-P??PH-34-Q??PH-34-R??
PH-34-S??PH-34-T??PH-34-U??PH-34-V??PH-34-W??PH-34-X??PH-34-Y??PH-34-Z??