Day after will be my appointment for ILR @croydon

[Bigman]

HSMP 2 years + Tier 1(general) 3 years under JR judicial review
appointment on thursday @ croydon PEO
submitting documents:
Application form
12 months payslips
12 months bank statements
hsmp approval document
2 photo's
p60's - last 3 years
I am holding only 3 years p60's bcoz i hadn't have worked for first 2 years.
will it be enough to show three p60's or any problem?
if case worker asked me, what can i say for first 2 years? is there any alternative?
please give me...your inputs..it will be more helpful.