select distinct substring(name,1,1) from stamps ,paper_master,printsize_master,np_master where paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked paper' and np_master.np_code=stamps.np_code and np_master.np='P' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.3x2.9 cm' order by substring(name,1,1)
StampsIndia
Paper >> Unwatermarked paper >> Currency >> P >> Print Size >> 3.3x2.9 cm >> Alpha >> B >>