Conjoined letter errors are quite common, especially Word 2007.
1. So how to overcome?
Download software of MICROSOFT – INSTALL AND DONE – https://drive.google.com/open?id=0B2e6YI2-GwPJSEhOeXpMc2padkE
2. Note for you to not encounter the error of sticky words in word 2007 anymore
When editing documents using Word, you should turn off “check spelling as you type” (to turn off the word options – proofing) or save the file as * .doc (2003) or * .pdf file.
Good luck!