lea     ebx, [table]
                        lea     edi, [result]
__next:                 
                        mov     esi, [ebx]
                        add     ebx, 4
                        test    esi, esi
                        jz      __exit
__cycle:
                        lodsb
                        test    al, al
                        jz      __next
                        stosb
                        jmp     __cycle 
__exit:

table                   dd offset A
                        dd offset B
                        dd offset C
                        dd offset D
                        dd 0