Javascript Sentence/Word Parser

I need a VERY Javascript written to break down a sentence into multiple word combinations. Original Sentence entered into a text field: Sample sentence to be used as an example. Output Combination displayed into a text area: Sample, sentence, to, be, used, as, an, Sample, sentence, to, be, used, as, Sample, sentence, to, be, used, Sample, sentence, to, be, Sample, sentence, to, Sample, sentence, sentence, to, be, used, as, an, example, to, be, used, as, an, example, be, used, as, an, example, used, as, an, example, as, an, example, an, example, Sample, sentence, to, be, used, as, an, example, As you can see each line is a removing a word from the front of rear of the sentence structure.