* @copyright (C) 2015-2018, Giuseppe Di Terlizzi */ return array( 'adjust', 'alert', 'align-center', 'align-justify', 'align-left', 'align-right', 'apple', 'arrow-down', 'arrow-left', 'arrow-right', 'arrow-up', 'asterisk', 'baby-formula', 'backward', 'ban-circle', 'barcode', 'bed', 'bell', 'bishop', 'bitcoin', 'blackboard', 'bold', 'book', 'bookmark', 'briefcase', 'btc', 'bullhorn', 'calendar', 'camera', 'cd', 'certificate', 'check', 'chevron-down', 'chevron-left', 'chevron-right', 'chevron-up', 'circle-arrow-down', 'circle-arrow-left', 'circle-arrow-right', 'circle-arrow-up', 'cloud', 'cloud-download', 'cloud-upload', 'cog', 'collapse-down', 'collapse-up', 'comment', 'compressed', 'console', 'copy', 'copyright-mark', 'credit-card', 'cutlery', 'dashboard', 'download', 'download-alt', 'duplicate', 'earphone', 'edit', 'education', 'eject', 'envelope', 'equalizer', 'erase', 'eur', 'euro', 'exclamation-sign', 'expand', 'export', 'eye-close', 'eye-open', 'facetime-video', 'fast-backward', 'fast-forward', 'file', 'film', 'filter', 'fire', 'flag', 'flash', 'floppy-disk', 'floppy-open', 'floppy-remove', 'floppy-save', 'floppy-saved', 'folder-close', 'folder-open', 'font', 'forward', 'fullscreen', 'gbp', 'gift', 'glass', 'globe', 'grain', 'hand-down', 'hand-left', 'hand-right', 'hand-up', 'hd-video', 'hdd', 'header', 'headphones', 'heart', 'heart-empty', 'home', 'hourglass', 'ice-lolly', 'ice-lolly-tasted', 'import', 'inbox', 'indent-left', 'indent-right', 'info-sign', 'italic', 'jpy', 'king', 'knight', 'lamp', 'leaf', 'level-up', 'link', 'list', 'list-alt', 'lock', 'log-in', 'log-out', 'magnet', 'map-marker', 'menu-down', 'menu-hamburger', 'menu-left', 'menu-right', 'menu-up', 'minus', 'minus-sign', 'modal-window', 'move', 'music', 'new-window', 'object-align-bottom', 'object-align-horizontal', 'object-align-left', 'object-align-right', 'object-align-top', 'object-align-vertical', 'off', 'oil', 'ok', 'ok-circle', 'ok-sign', 'open', 'open-file', 'option-horizontal', 'option-vertical', 'paperclip', 'paste', 'pause', 'pawn', 'pencil', 'phone', 'phone-alt', 'picture', 'piggy-bank', 'plane', 'play', 'play-circle', 'plus', 'plus-sign', 'print', 'pushpin', 'qrcode', 'queen', 'question-sign', 'random', 'record', 'refresh', 'registration-mark', 'remove', 'remove-circle', 'remove-sign', 'repeat', 'resize-full', 'resize-horizontal', 'resize-small', 'resize-vertical', 'retweet', 'road', 'rub', 'ruble', 'save', 'save-file', 'saved', 'scale', 'scissors', 'screenshot', 'sd-video', 'search', 'send', 'share', 'share-alt', 'shopping-cart', 'signal', 'sort', 'sort-by-alphabet', 'sort-by-alphabet-alt', 'sort-by-attributes', 'sort-by-attributes-alt', 'sort-by-order', 'sort-by-order-alt', 'sound-5-1', 'sound-6-1', 'sound-7-1', 'sound-dolby', 'sound-stereo', 'star', 'star-empty', 'stats', 'step-backward', 'step-forward', 'stop', 'subscript', 'subtitles', 'sunglasses', 'superscript', 'tag', 'tags', 'tasks', 'tent', 'text-background', 'text-color', 'text-height', 'text-size', 'text-width', 'th', 'th-large', 'th-list', 'thumbs-down', 'thumbs-up', 'time', 'tint', 'tower', 'transfer', 'trash', 'tree-conifer', 'tree-deciduous', 'triangle-bottom', 'triangle-left', 'triangle-right', 'triangle-top', 'unchecked', 'upload', 'usd', 'user', 'volume-down', 'volume-off', 'volume-up', 'warning-sign', 'wrench', 'xbt', 'yen', 'zoom-in', 'zoom-out', );