.stack 100h
.model small
.data
    arr dw 1, 2, 4, 5, 6, ?

.code
    main proc
        mov ax, @data
        mov ds,ax
        mov es, ax

        std
        lea si, arr+8
        lea di, arr+10

        mov cx,3
        rep movsw

        mov si,4
        mov ax,3
        stosw

        mov cx, 6
        xor si, si

        lop2:
            mov dx,arr[si]
            add dx,48
            mov ah,2
            int 21h

            add si,2
            loop lop2

        main endp
    end