I'd suggest creating a number of custom Quick Parts that you can insert into the document as required. You'll find the function under Insert>Quick Parts>Building Block Organiser. For more info, see:
http://office.microsoft.com/en-us/wo...010370568.aspx
http://office.microsoft.com/en-us/wo...010214071.aspx

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]