If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?

If ERASER is called PENCIL and PENCIL is called SHARPENER and SHARPENER is called BAG, what will a child write with ?

If MIND becomes KGLB and ARGUE becomes YPESC, then what will DIAGRAM be in that code ?