Write Software/Macro to convert a list of words into .EPS images using letters saved as images

I have a bunch of .EPS vector graphics files for periodic table elements. Each corresponds to a letter or multiple letters. I need a macro or program that will take a list of words and put the existing .EPS graphics together into a new file. This is a video of me explaining what I want the program to do: [login to view URL] So for the first item on the list, "Cierra," the program will do the following: It will look at the first two letters of the word and see if there is an EPS file that corresponds to both of those letters. It doesn't, so instead it will just take the file that corresponds to the first letter, C, and place that .EPS file as first in the new file. Then it will look at the next two letters to see if there is an "ie" file. There isn't, so it will take the .eps for I and place it next. Then it will look at the next two letters to see if there is an "Er" file. It will see that there IS, so instead of looking for an E file, it will use the "Er" file to cover both letters. Since the R is already there, it will skip to the next two letters to see if there are files for them, and so-on. After the first word on the list is complete, it will save the new file as the word from the list's [login to view URL], then move on to the next word on the list. THIS IS NOT A MANUAL, DATA-ENTRY JOB. THIS REQUIRES AN AUTOMATED MACRO THAT WILL DO THE JOB FOR DIFFERENT LISTS. If you ask me how many words you will need to do, I will know you are not serious.