[D] Message de-scrambling

I have a large dataset of messages extracted from a mobile phone.

All messages have been scrambled using a mobile application. It is believed that a code (or multiple codes) are used to unscramble messages, but the codes are currently unavailable.

Consider for example the message:

i like to code in python and R

It now reads:

code like to python in i R and

Some messages may contain errors, misspelled words or short-hand (e.g. 2moro).

I need to unscramble …

machinelearning