The spelling of "most for sure" is straightforward when using IPA phonetic transcription. The first word, "most," is pronounced /moʊst/, with the "o" sounding like "oh" and the "t" being a soft, unvoiced consonant. "For" is pronounced /fɔːr/, with the "o" sounding like "aw" and the "r" being a slightly rolled consonant. "Sure" is pronounced /ʃʊər/, with the "u" having a "uh" sound and the "r" being a slightly rolled consonant. When spoken together, the phrase sounds like "mohst fawr shoor."