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 # Modern Implementations of Traditional BITNET Services
 
-RELAY CHAT, TRICKLE, LOOKUP, LISTSERV, ELIZA, QBIT, QUSER, MTRAP, YWAKEUP, NSCAN, IUCVTRAP, SUPERMSG, CLRSCRN, XYZIUCV
+RELAY CHAT, TRICKLE, LOOKUP, LISTSERV, ELIZA, QBIT, QUSER, MTRAP, YWAKEUP, NSCAN, IUCVTRAP, SUPERMSG, CLRSCRN, XYZZY, XYZIUCV
 
 
 <h1>RELAY CHAT Implementation</h1>