Q: 137 (IAS/2000)

In a certain code, MARCH is written as OCTEJ, how is RETURN written in that code ?
question_subject: 
Logic/Reasoning
question_year: 
2000
question_exam: 
IAS
question_sub_subject: 
Reasoning
question_topic: 
Analytical
stats: 
0,168,40,16,8,168,16