There are several ways to type in accents into Moodle. Instead of writing in a Word document and transferring try one of the following:
This link offers a number of symbols in various languages (Czech, French, German,IPA (English),Italian,Polish,Portuguese,Romanian,Spanish, Swedish, and Turkish). (Retrieved January 1, 2008 from http://www.typeit.org/about.htm)
You can also use non-English International keyboards by changing the settings in your control panel.