The correct spelling of the phrase "set house together" is /sɛt haʊs təˈɡɛðər/. The first word, "set," is pronounced with the short e vowel sound followed by the t consonant sound. The second word, "house," is pronounced with the long o vowel sound and the s consonant sound. The third word, "together," is pronounced with the schwa vowel sound followed by the th consonant sound and the r consonant sound. By using the IPA phonetic transcription, the spelling of the word becomes clear and easy to understand.