I know this is way off topic, but "time-based one-time passcodes" mapping to the acronym "TOTP" bugs the heck out me. Why are the hyphenated terms not treated

I know this is way off topic, but "time-based one-time passcodes" mapping to the acronym "TOTP" bugs the heck out me. Why are the hyphenated terms not treated equally by the mapping? Argg... I'm going to be thinking about this for hours!