Need macro to insert modified cell text between other cells

Attach a sample workbook (not a picture or pasted copy). Make sure there is just enough data to demonstrate your need. Include a BEFORE sheet and an AFTER sheet in the workbook if needed to show the process you're trying to complete or automate. Make sure your desired results are shown, mock them up manually if necessary.

Remember to desensitize the data.

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According to your attachment as a beginner starter :

PHP Code: 

Sub Demo()
    Dim V, W, S$(), X, Y, C%
        V = [A1].CurrentRegion.Rows(1).Value2
        W = [{" Black"," Red"," Blue"," Green"}]
        ReDim S(1 To UBound(V, 2) * UBound(W))
    For Each X In V
        For Each Y In W
            C = C + 1
            S(C) = X & Y
        Next
    Next
    With [A1].Resize(, UBound(S))
        .Value2 = S
        .Columns.AutoFit
    End With
End Sub 


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Done. Thanks.