His anagrams could be devilishly daunting or pointedly pithy – in one of his puzzles “Change of heart” yielded the solution “Earth”. Such a clue might affront some British setters, but Lewis ignored the convention whereby clues divide into two or more components, one of which is a definition of the answer. Indeed he would think nothing of using multiple components, or sometimes only one. His clue “S”, for example, led to the solution “Largess”.