importar re
f = abrir("texto.txt", "r")
texto = f.ler()
texto = re.sub(r"\b [0-9]+\s[Mm][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Gg][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Tt][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Pp][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Ee][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Zz][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Yy][Bb] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Mm][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Gg][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Tt][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Pp][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Ee][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Zz][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Yy][Bb]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Mm][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Gg][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Tt][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Pp][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Ee][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Zz][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Yy][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Mm][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Gg][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Tt][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Pp][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Ee][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Zz][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Yy][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Mm][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy]\s[Cc][Aa][Pp][Aa][Cc][Ii][Tt][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Gg][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy]\s[Cc][Aa][Pp][Aa][Cc][Ii][Tt][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Tt][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy]\s[Cc][Aa][Pp][Aa][Cc][Ii][Tt][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Pp][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy]\s[Cc][Aa][Pp][Aa][Cc][Ii][Tt][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Ee][Bb]\s[Oo][Ff]\s[Rr][Aa][Mm]\s[Mm][Ee][Mm][Oo][Rr][Yy]\s[Cc][Aa][Pp][Aa][Cc][Ii][Tt][Yy] \b", "", texto)
texto = re.sub(r"\b [0-9]+\s[Zz][Bb]\s[Oo][Ff]\s[Rr] [A