f |:A>A AB|de f2|ed Bd|fe fa|! A>A AB|de f2|ed BG|A2 A2|! a>a ab|ag f2|ed Bd|fe f<a|! a>a ab|ag f2|ed BG| AB/c/ d/e/f/g/||! a>a ab|ag f2|ed Bd|fe f<a|! A>A AB|de fg|a>f fe|d2 z2||