The phrase "most on again off again" is spelled with five separate words, each pronounced distinctly. The first word, "most," is pronounced /moʊst/. The next two words, "on again," are pronounced /ɒn əˈɡeɪn/. The final two words, "off again," are pronounced /ɒf əˈɡeɪn/. When spoken together, the phrase refers to something that happens intermittently or inconsistently, and the spelling carefully reflects how it is pronounced in American English.