Level passwords

 1-1 BBBV
 1-2 BCBT
 1-3 BDBR
 1-4 BGBQ
 1-5 BHBP
 2-1 BJBM
 2-2 BKBL
 2-3 BLBK
 2-4 BMBJ
 2-5 BPBH
 3-1 BQBG
 3-2 BRBD
 3-3 BTBC
 3-4 BVBB
 3-5 BYZZ
 4-1 BZZY
 4-2 CBZV
 4-3 CCZT
 4-4 CDZR
 4-5 CGZQ
 5-1 CHZP
 5-2 CJZM
 5-3 CKZL
 5-4 CLZK
 5-5 CMZJ
 6-1 CPZH
 6-2 CQZG
 6-3 CRZD
 6-4 CTZC
 6-5 CVZB
 7-1 CYYZ
 7-2 CZYY
 7-3 DBYV
 7-4 DCYT
 7-5 DDYR
 8-1 DGYQ
 8-2 DHYP
 8-3 DJYM
 8-4 DKYL
 8-5 DLYK
 9-1 DMYJ
 9-2 DPYH
 9-3 DQYG
 9-4 DRYD
 9-5 DTYC
10-1 DVYB
10-2 DYVZ
10-3 DZVY
10-4 GBVV
10-5 GCVT

Bonus levels
B-1 PROA
B-2 PROB
B-3 PROC
B-4 PROF

Tobias Wagner
Kevin J. & Sebi D.
Andrej Sinicyn