What words does a couple say to each other when they marry islamic way

There are online guides that you can read through for everything pertaining to a wedding - from announcements to the ceremony and after.

Muslim Wedding Guide (http://www.askginka.com/religions/muslim.htm)
Muslim Wedding Traditions - WeddingDetails.com (http://www.weddingdetails.com/lore/muslim.cfm)
THE ISLAMIC WEDDING CEREMONY- THE FORMAT OF MARRIAGE CEREMONY IN THE QURAN-SERMON-celebration-party-Islam (Submission)-Polygamy-Dowry-Alimony-husband-bride-groomone wife-divorce-family responsibility-children-Women in Islam-Marriage, Divorce, Childbi (http://www.submission.org/women/marriage-ceremony.html)
Islam Today - Islamic Marriage (http://www.webbangladesh.com/islam/marriage.htm)