Is there any limit to how long the name can be? If there's not I'm just going to write out the names I want using the code from touchtone phone keypads.
If I remember correctly, one of the updates allowed template ID's to include letters, "theoretically."
There is a limit, but it's rather high so you shan't have problems doing what you planned to do. Alternatively, you can try to include letters as Syphonix suggested, and if it works for you then even better.
I can confirm that Ruigi has successfully used non-numbers as template names. I've never dared, and I can't remember where I've seen it (I think it's in Swashbuckling?), but I know I've seen it working properly in at least one place.