def _terminalSymbolsGenerator(self):
py2 = sys.version[<NUM_LIT:0>] < '<STR_LIT:3>'<EOL>UPPAs = list(list(range(<NUM_LIT>,<NUM_LIT>+<NUM_LIT:1>)) + list(range(<NUM_LIT>,<NUM_LIT>+<NUM_LIT:1>)) + list(range(<NUM_LIT>, <NUM_LIT>+<NUM_LIT:1>)))<EOL>for i in UPPAs:<EOL><INDENT>if py2:<EOL><INDENT>yield(unichr(i))<EOL><DEDENT>else:<EOL><INDENT>yield(chr(i))<EOL><DEDENT><DEDENT>raise ValueError("<STR_LIT>")<EOL>
Generator of unique terminal symbols used for building the Generalized Suffix Tree.
        Unicode Private Use Area U+E000..U+F8FF is used to ensure that terminal symbols
        are not part of the input string.