Puzzling

Certain perils lurk when constructing puzzles, especially word searches. Woolworth's 'find a word debacle'  last week was rather spectacular, with the f-word appearing in a children's activity book. And let's face it, the offensive word in question is so glaringly obvious in the grid that I doubt the puzzle was proofread at all — and I found four other rude words in the grid, when I entered the grid into my software and scanned it (and no , I'm not going to tell you what they are! You rude thing). This  has happened to others too , and no doubt will happen to others in the future. Due to the nature of grids of letters, a great deal of words are accidentally created in the grid, after the chosen words have been placed. These cause a problem if they are duplicates of words from the puzzle's word list, or if they are offensive or inappropriate terms. In even a small word search puzzle, there will typically be well over 100 3-letter words accidenta...