In a certain code, RIPSLE is written as 613082 and WIFE is written as 4292, how is PEWSL written in that code ?

Seven meetings J, K, L, M, N, O and P are to be scheduled, one on each day of a week that begins on 

Sunday. The meetings are to be scheduled according to the following conditions: 

• Meeting J must take place on Sunday. 
• Meeting K must take place after both meeting L and meeting M. 
• Meeting N, O and P must take place on three consecutive days, not necessarily in that order.