OK, I think I might have figured out a way. This is based on if you have two returns after a paragraph instead of one. Make sure your hidden characters are showing in your text. Now select only the paragraph symbol immediately following the end of a word, plus the extra paragraph symbols below them and copy them (you should have copied 3 paragraph symbols). Now open up your find and replace window in Illustrator, and paste that in the find field. It will appear blank. That is ok. Now in the Replace With field type a space, then type "^n^n" without the quotation marks. Click Find, then "Replace All".
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