# [Python 3], <s>169</s> <s>101</s> <s>93</s> <s>91</s> 85 bytes

<!-- language-all: lang-python -->

    lambda s,j="".join:j(chr(int(j(str(int(b<"C"))for b in c[::4]),2))for c in s.split())

[Try it online!]

[Python 3]: https://docs.python.org/3/
[Try it online!]: https://tio.run/nexus/python3#@19QlJlXoqGkpJeVn5mnkZxRpIHMLy6B8JNslJyVNDXT8osUkhQy8xSSo62sTGI1dYwgYskgscy8gtISDU294oKcTCCtqfn/v1tmVZVTKQTD2CAahhXwKQCxFZA5yDphYgA "Python 3 – TIO Nexus"

Explanation:

<!-- language-all: lang-python -->

    lambda s,j="".join:  # Create a lambda function
        j(  # call "".join, adds characters together with nothing in between
            chr(  # character by int
                int(  # string to int
                    j(  # "".join again
                        str(int(b<"C"))  # 1 or 0, based on what character we get
                        for b in c[::4]  # For every first of 4 characters
                    ),
                    2)  # Base 2
            )
            for c in s.split()  # for every group of Fizz and Buzz with any whitespace character after it
        )
    
[Python 3]: https://docs.python.org/3/
[Try it online!]: https://tio.run/##K6gsycjPM/6fZhvzPycxNyklUaFYJ8tWSUkvKz8zzypLIzmjSCMzr0QjS6O4BMJKslFyVtLUTMsvUkhSyMxTSI62sjKJ1dQxgoglg8SK9YoLcjJLNDQ1/xcUgTSlAbUWlIIENP@7ZVZVOZVCMIwNomFYAZ8CEFsBmYOsEyYGAA "Python 3 – Try It Online"