a b c d e f g h i j k l m n o p q r s t u v w x y zy, y2k, ya-, yaa, yaba, yacc, yade, yafiygi, yahoo, yale haskell, yamaha, yaml, yaml ain't markup language, yank, yaps, yasos, yaun, yay, ye, year 2000, yellow, yellow book, yellow book cd-rom, yellow book, jargon, yellow box, yellow pages, yellow wire, yerk, yet another, yet another compiler compiler, yet another yacc, ygmtpo, ylisp, ymmv, ymodem, ymodem-g, yocto-, yol computers, yotta-, yottabyte, you are not expected to understand this, you know you've been hacking too long when..., your mileage may vary, yourdon, yourdon methodology, yourdon, inc., yourdon/constantine, yourdon/demarco, youtube, inc., youtube.com, yow!, yoyo mode, yp, ysm, yt, ytalk, yu, yu-shiang whole fish