在基本文本文件中创建特定行的每个组合的文本文件

Ok, so hopefully I can explain this in enough detail for somebody to be able to help me.. I am writing a program in C# that is supposed to take a text file and replace specific text, which happen to be names of files, and print a new text file for every single combination of the given filenames. The specific places to change the text of filenames have their own set of possible filenames, listed as an array described below. The program should run regardless of how many filenames are available for each location as well as how many total locations for the filenames. If you really wanted to make it awesome, it can be slightly optimized knowing that no filenames should be duplicated throughout any single text file.Ok, so hopefully I can explain this in enough d