Well, you could edit the custom T9 word file already in use:
Use
Y-Browser (Or another type of file browser that will allow access to C:) to open this folder:
C:\Predic\ - Here you will find a
*.dat file that can be copied to you computer and edited in a simple text editor like Notepad just by changing the file extension from
*.dat to
*.txt
This may help to a certain degree? I couldn't find any specific software to do the job