Level Password

2 BFBBBFBH
3 BGBBBFBJ
4 BHBBBFBK
5 BJBBBFBL
6 BKBBBFBM
7 BLVVBFBM
8 BMVVBFBN
9 BNVVBFBP
10 BPVVBFBQ
11 BQVVBFBR
12 BRVVBFBS
13 BSVVBFBT
14 BTVVBFBV
15 BVVVBFDB