<r>For ABX, AAA, AA, A, BBB and BBB- are 5 tranches. Same as CMBX. This might help.<URL url="http://www.securitization.net/pdf/Nomura/SyntheticABS_7Mar06.pdfI"><LINK_TEXT text="http://www.securitization.net/pdf/Nomur ... Mar06.pdfI">http://www.securitization.net/pdf/Nomura/SyntheticABS_7Mar06.pdfI</...