In this coding system, the letters are assigned numbers based on their position in the alphabet:
- B = 2, L = 12, O = 15, O = 15, D = 4
- B = 2, R = 18, U = 21, S = 19, T = 20
For the word ROBUST:
- R = 18, O = 15, B = 2, U = 21, S = 19, T = 20
Thus, the code for ROBUST is 012678.