You are able to teach TalkType shortcuts. A short cut means when you say a phrase or key word, TalkType with type an alternative pre-programmed, word or phrase.
Dictate 'add signature' >> TalkType will type 'Profession John Smith MbChB'.
How to add a Custom Short-cut
> Open TalkType and click on 'Settings'
> Click on 'Processing'
> Click on 'edit shortcut list'
> On the left had column enter the words you wish to speak, and on the right enter the words you'd like to TalkType to type.
> Click 'OK'.
Note: you will need to restart TalkType for the changes to take effect.