Wow.... it is not everyday you learn a new trick about Word. This morning, however, the ElementKtips had one for me.
"To insert a nonbreaking space, press [Ctrl][Shift][Spacebar]. The text on either side of the nonbreaking space will always stay together on the same line. When the Show/Hide ¶ button on the Standard toolbar is turned on, nonbreaking spaces are designated by a display character resembling the degree symbol (°). However, this display character is hidden when you print your document or view it in Print Preview mode.
To insert a nonbreaking hyphen, press [Ctrl][Shift][-] using the standard keyboard. (Using the [-] key on the numeric keypad inserts an en dash instead.) The text on either side of the nonbreaking hyphen will always stay together on the same line. When you're viewing your document onscreen, nonbreaking hyphens are designated by a display character that resembles an en dash (-). However, this display character looks just like a standard hyphen when you print your document or view it in Print Preview mode."