3. Grupul de litere incepe cu:

SM-84-A??SM-84-B??SM-84-C??SM-84-D??SM-84-E??SM-84-F??SM-84-G??SM-84-H??SM-84-I??
SM-84-J??SM-84-K??SM-84-L??SM-84-M??SM-84-N??SM-84-O??SM-84-P??SM-84-Q??SM-84-R??
SM-84-S??SM-84-T??SM-84-U??SM-84-V??SM-84-W??SM-84-X??SM-84-Y??SM-84-Z??