Bonus expert levels:
Enter PROA, PROB, PROC, or PROD as a password.

Level	Password
1-1	PPHP
1-2	PHPK
1-3	PQPD
1-4	PVPT
1-5	PRPJ
2-1	PBPM
2-2	PLPY
2-3	PCPZ
2-4	PGPG
2-5	PZPC
3-1	PYPL
3-2	PMPB
3-3	PJPR
3-4	PTPV
3-5	PDPQ
4-1	PKPH
4-2	HPPP
4-3	HHKK
4-4	HQKD
4-5	HVKT
5-1	HRKJ
5-2	HBKM
5-3	HLKY
5-4	HCKZ
5-5	HGHG
6-1	HZKC
6-2	HYKL
6-3	HMKB
6-4	HJKR
6-5	HTKV
7-1	HDKQ
7-2	HKKH
7-3	QPKP
7-4	QHDK
7-5	QQDD
8-1	QVDT
8-2	QRDJ
8-3	QBDM
8-4	QLDY
8-5	QCDZ
9-1	QGDG
9-2	QZDC
9-3	QYDL
9-4	QMBD
9-5	QJDR
10-1	QTDV
10-2	QDDQ
10-3	QKDH
10-4	VPDP
10-5	VHTK