ffc ffb ffafdg feg ffglxyz nxyz mxyz{abc,def}{abc}{a,b,c,d,e}x} y} {a} b} c}x,y {abc} trie/usr/ucb/ex /usr/ucb/edit /usr/lib/ex /usr/lib/how_exXXXX{a,b,c}XXXXa XXXXb XXXXc{}{ }}{abcd{efghfoo 1 2 barfoo 1 2 barfoo 1 2 barfoobar foobaz.foobar foobazbazx bazyvx vybazx bazy1 2 3 4 5 6 7 8 9 100..10 braces0 1 2 3 4 5 6 7 8 9 10 bracesx0y x1y x2y x3y x4y x5y x6y x7y x8y x9y x10y xbracesy3x3y10 9 8 7 6 5 4 3 2 110y 9y 8y 7y 6y 5y 4y 3y 2y 1yx10y x9y x8y x7y x6y x5y x4y x3y x2y x1ya b c d e ff e d c b aa ` _ ^ ]  [ Z Y X W V U T S R Q P O N M L K J I H G F E D C B AA B C D E F G H I J K L M N O P Q R S T U V W X Y Z [  ] ^ _ ` af{1..f}{f..1}01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20-1 -2 -3 -4 -5 -6 -7 -8 -9 -10-20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0a-{bd}-c a-{be}-ca-{bdef-g-c a-{bdef-i-c{klklkl}1 {klklkl}2 {klklkl}3{x,x}1 3 5 7 9-1 -3 -5 -7 -9-1 -3 -5 -7 -910 8 6 4 210 8 6 4 21 3 5 7 9 11 13 15 17 191100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0a b c d e f g h i j k l m n o p q r s t u v w x y za c e g i k m o q s u w yz x v t r p n l j h f d b2147483645 2147483646 2147483647 2147483648 214748364910 8 6 4 2 010 8 6 4 2 0-50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0{1..10.f}{1..ff}{1..10..ff}{1.20..2}{1..20..f2}{1..20..2f}{1..2f..2}{1..ff..2}{1..ff}{1..f}{1..0f}{1..10f}{1..10.f}{1..10.f}