Need Some Help

I am actually wondering if this is made possible. The scenerio is something like this:

I have multiple letters that I send to people almost everyday. Those letters are the same for everyone except for the part of their "Name, Addy, Phone # and etc...". I'm currently wondering if there is a way for me to make something out and that I would not have to print it all individually (one by one) but instead print it all together.

I know I could use Mail Merge or something from Microsoft Word but I'd still have to open up one letter at a time. Is there a way to just open up all the letters at once and print it?

Hope that you guyz could help out a little on this... Thanks a million guyz.

If you need to get a hold of me, you can email me at aodat2@time.net.my