Student Codes

Seven
students sign a wall with their initials.
They
use a code.
The
last one to arrive writes their full first name using the same code.
The
students are: Isabelle Marchand, Alcide Leboeuf, Onésime
Rondeau, Roger Artichaud, Izi Ostiet, Lamara Rodrigue, and Lucie
Oliverra.
Note: The signatures
do not follow this order.
Answer:
Mario