You must leave a space to replace the eyebrows if they are not there. The space will always be at the start, or in the middle. (for example, even though the X in XD is still part of the eyebrows, you leave a space at the front and type ( XD)
Examples: :< >:D ::O :I >:\ >:O ::< >:> (I might add the "3" mouth later) maybe nail will let me in her group >:3