Ms Word 2010 and Macro for fill up forms

Hello,
I am creating form that contain user Name and 2nd Name (all fill up form text1 and text2 in bookmark) in username i can not create macro that will read text1 and tex2 (form boxes) and combine it like some text (location) like vie[1sttext of text1][2text from text2] : result fro username : viedru if user's name Is Dominik and 2nd name is Rupar

Name : Dominik
2nd Name : Rupar
username : viedru <-- vie is location text

Thank you.