The 1.0 version of p3x20 is provided as a free download on our website. This free program is an intellectual property of Ihsan. The most popular version of the software is 1.0. The p3x20 installer is commonly called P3X20.EXE. P3x20 lies within Games, more precisely Puzzle.
From the developer:
This program will generate a 20 word puzzle for you to solve at your leisure. All words are 3-letter long, four letters are provided as hint, hint letters can be random, all same, or user defined, overlapping letters in words must be same, a word cannot be made twice. You can use three standard or your own dictionary.
You may want to check out more software, such as Sudoku XL-Solver, Leaf Buster or Play Basic Learning Edition, which might be similar to p3x20.