A family of Microsoft word processing software products for creating web, email, and print documents.
While you could do this with a UserForm, a much simpler approach is just to save each of the text snippets as an AutoText entry; you can then insert the needed ones from the Quick Parts gallery or by typing the first few letters of the AutoText entry name and pressing Enter when you get the AutoComplete tip. See https://wordmvp.com/FAQs/Customization/AutoText.htm for more.