How to selelect Element names with XDocument

[Djanggo]

I need select all elements names dynamically for this example currency names EURUSD, EURGBP ...:\[code\]<broker name="MBT Free EXN"><EURUSD b="1.34565" a="1.34608" s="4.3"/><EURGBP b="0.85151" a="0.85227" s="7.6"/><EURAUD b="1.29048" a="1.29157" s="10.9"/><EURJPY b="122.229" a="122.281" s="5.2"/><EURCHF b="1.24661" a="1.24749" s="8.8"/><EURCAD b="1.35341" a="1.35429" s="8.8"/><USDJPY b="90.828" a="90.844" s="1.6"/><USDCHF b="0.92618" a="0.927" s="8.2"/><USDCAD b="1.0057" a="1.00609" s="3.9"/><GBPUSD b="1.57935" a="1.58059" s="12.4"/><GBPJPY b="143.461" a="143.569" s="10.8"/><GBPCHF b="1.46327" a="1.46464" s="13.7"/><GBPAUD b="1.51486" a="1.51633" s="14.7"/><GBPCAD b="1.58829" a="1.5903" s="20.1"/><AUDUSD b="1.04202" a="1.04298" s="9.6"/><AUDJPY b="94.659" a="94.738" s="7.9"/><AUDCAD b="1.04799" a="1.04918" s="11.9"/><AUDNZD b="1.24304" a="1.24592" s="28.8"/><AUDCHF b="0.96537" a="0.96653" s="11.6"/><NZDUSD b="0.83728" a="0.83833" s="10.5"/><NZDJPY b="76.052" a="76.142" s="9"/><CADJPY b="90.274" a="90.327" s="5.3"/><CHFJPY b="97.985" a="98.087" s="10.2"/></broker>\[/code\]