Here's a walkthrough that you can click on one tip at a time... If you're stuck click on one and see if you can progress from there..if still stuck get another tip. It's to the right and says "spoiler" under gray area patti Here is a link that might be useful: walkthrough

Down.

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Google Ngram Viewer. This is very interesting. It charts frequencies of any word or short sentence found in the sources printed since 1800 up to 2012. You can see when certain words became popular. Try it! https://books.google.com/ngrams