All the password to all the levels :
Level 2, Enter SQUAME
Level 3, Enter REVOLER
Level 4, Enter FAUCON
Level 5, Enter UNANIME
Level 6, Enter ROULIS
Level 7, Enter RELAVER
Level 8, Enter POUSSIN
Level 9, Enter PANOPLIE
Level 10, Enter NIMBER
Level 11, Enter NIAIS
Level 12, Enter KARMA
Level 13, Enter INCISER
Level 14, Enter GADOUE
Level 15, Enter FUSETTE
Level 16, Enter EXCUSER
Level 17, Enter ENRICHIR