Here is solution number one for one word anagrams, I gave in discussion thread, response time in my humble Athlon PC under 70 ms.
List of words is from original posting of the discussion thread.
This version does not give we'd for input dew.
Next time I give final speed demon solution: preparing lookup table file.
You can prove the program without the length check part it is optional, program becomes around 3 times slower without it in my computer.