You should be able to do that using the techniques described in my
Microsoft Word Catalogue/Directory Mailmerge Tutorial:
https://www.msofficeforums.com/mail-...-tutorial.html
Alternatively, you could use a standard letter merge containing a DATABASE field for the tabulation and a macro to drive the process. This, or course, requires you to be familiar with SQL. For a demonstration, see:
Many to one email merge using tables - Microsoft Community