What is the code for ‘focus’ in the given code language?

Explanation

The data given to us: ‘work never goes waste’ is written as ‘rb mk ni tj’ ‘never waste your time’ is written as ‘ni ap sy rb’ ‘focus on your work’ is written as ‘mk ap cn or’ ‘focus goes with time’ is written as ‘sy tj cn ke’ From this we can deduce that, never waste = ni rb focus = cn goes = tj work = mk time = sy Code for focus is cn.