Alien Breed-Tower Assault

Level codes :
Security level 3 : FCDBMDEASDCAAADM
Security level 3 : FCCELDAAHDCAAAEK
Engineering level 1 : FKBDMDEAFDCAAAEB
Science level 3 : JGCJNDEAPDCAAACS
Military level 3 : EPAEMDEBBDCAAAEA
Military level 3 : IPCBSDADSDCAAACI
Main tower level 2 : LAAPJDAISDCAAACM
Main tower level 2 : LACJPDADSDCAAACS
Main tower level 3 : HCAPJDADSDCAAADD
Main tower level 4 : HCBPSLADSDCAAACB
Stores level 3 : EJDCPDAASDCAAADG
Civilian level 3 : EEHBNDAASDCAAADK

Some leftovers :
FKASMCEABDCAAADI
JGAFICEABDCAAAEJ
FKANLCEABDCAAADP (Information from Cheat Machine)