LEFTMOST

Before
1: S
two, its
After
1: S
bit, bits, node, branch, cell, point, child, part, one
2: SU
digit, column, button
3: SUU
characters, character, element
3: USU
position
4: UUSU
derivation
Surrounder Phrases
nonterminal symbol, nodenonzero digit, digits, value, elementdigit symbol, positions, characters, position, character, value, figure, fieldleaf node, cell, characters, edge, positionsupper portion, panel, edge, part, byte, curve, end, corner, leaf, branch, side, bitsvertical columns, bar, column, position, pixel, curve, edge, portion, positions, panel, element, path, leaf, fieldbit byte, positions, pixel, position, characters, field, value, imagefour digits, columns, bits, digit, characters, constituent, positions, corner, byte, vertical, lanesymbol digit, buttonbutton bar, icon, symbol, panel, image, object, box, element, figureconstituent element, part, grouppixel value, image, positions, positionimage pixel, icon, button, objectpanel icon, button, bar, edge, box, groupicon button, bar, panel, image, box, figuretop panel, edge, button, portion, positions, box, corner, node, end, curve, bar, three, four, position, part, elementthree digits, columns, digit, bits, characters, constituent, positions, nonzero, verticalbyte characters, character, value, variable, field, position, cellsyllable node, peak, positions, positiontwo digits, columns, bits, derivations, characters, digit, positions, nonzero, vertical, constituentits constituent, peak, occurrence, literal, derivation, derivations, position, icon, value, object, path, character, upper, edge, characterspeak positions, value, position, occurrence, cell, verticaledge pixel, nodeelement node, symbolone side, syllable, byte, corner, digit, pixel, point, element, end, branch, bit, variable, node, group, nonzero, columncolumns button, column, boxbar icon, button, topliteral characters, value, character, image, objectbox icon, button, topcorner columns, bar, point, node, columnchild node, elementside panel, branch, lanecharacter literal, variable, positionsvariable bit, portion, constituent, symbol, value, node, element, occurrenceobject button, variable, icon, literal, position, panel, positionsnode element, object, positionsbranch node, pointcolumn variable, positions, button, value, element, positionfield buttonpath variable, icon, curve, buttoncell derivation, columns, columngroup iconend node, pointargument positionslane end, grouppart three, fourbits bit