The spelling of the word "tost turn" might be confusing to some, but it is actually quite simple when using the International Phonetic Alphabet (IPA) transcription. The first word "tost" is pronounced as /təʊst/, with the stressed syllable being the vowel "o". The second word "turn" is pronounced as /tɜːrn/, with the stressed syllable being the vowel "e". Therefore, the spelling "tost turn" accurately represents the phonetic sounds of the words when spoken.