Ok, simple, think of a word and use it as many times as you can in a sentence of a paragraph that MAKES SENSE!!!! (no trolling) example of a troll:
and and and and and and and and and and and.......
Example of a "legal" paragraph:
To post a sub-sub topic, first you need to find the topic, in which there are many sub topics. Find your apropriate sub topic and post your sub-sub topic with a relevent name. After this your sub-sub topic will be ready for readers to read. If your are lucky you may gain a like from your sub-sub topic.
So, i used "sub" 10 times in that paragraph, see if you can beat that with any wordyou choose !