For instance, one could have the following pattern: 2 digits, 2 letters and 4 digits.
Dikgonagalo tsa ponelopele di ka tlhalosiwa ka tsela e e latelang: Ka sekai, tsaya kgetsi e e nang le maungo a marataro, mefuta e mebedi ka bong, dinamune tse pedi, diapole tse pedi le diratsuru tse pedi.