Fill in the gaps in the text 1

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   after      castle      circle      door      fortress      hill      ladder      safe      sails      served      ship      until   

Then I gave my thoughts to providing myself with a habitation. I found a little plain, on the side of a , whose front towards the plain was very steep, and had in it a hollow place like the of a cave. Here I resolved to pitch my tent, which I made of that I had brought from the . Around it I drew a half , and drove two rows of piles into the ground, making a kind of . I left no entrance, but used a short to go over the top, and when I was in, lifted it over me. Then I enlarged the hollow place I have spoken of I had made quite a cave, which as a cellar for my house, which I called my .