How do you type Spanish words using Word 2003 so they show the correct
punctuation?

Example: Como (the 'o' needs to be exemplified with a small sideways dash
above)

I have enabled Language tools to utilize Spanish words in Word as well as
enabled the keyboard to recognize the language. (or at least I think I have)

Is there a special way to do this, or is this not possible?

I am sorry if this is a repeat question, but I have spent the better part of
two hours trying to figure this out.

Thank you in advance for any assistance you can offer me.