The correct pronunciation of 3 is "tree" - which is why I made the change to EditVoicepack (batter late than never)
https://en.wikipedia.org/wiki/NATO_phonetic_alphabetIt might be needed to adjust the modifications a bit so there is a bit more spacing between the words. I'll put it on my list, but to be honest there I quite a lot on my list right now, so I can't promise I'll get to it right away. If anyone wants to take a shot at making it better and submit it, feel free.
As with all modifications, you can use the advanced user interface to select/deselect them individually. This is done with the checkboxes.
The checkboxes have three states, where the 3rd indicate it will be included if the parent folder is set to be included.