"H step Mus" is spelled as /ˈhep ˈmʌs/. The first word "h step" refers to a dance move where the dancer steps forward and to the side, then hops on the other foot. "Mus" is a colloquial term for "mouse." The spelling of the word "h step Mus" is phonemic, meaning the spelling corresponds to the sounds of the words. The /h/ sound at the beginning of "h step" is pronounced like the "h" in "help." The /mʌs/ in "Mus" is pronounced like the word "muss."