The spelling of the word "tosteson" may seem confusing, but it's actually quite simple when using International Phonetic Alphabet (IPA) phonetic transcription. The word is pronounced as "toh-stuh-suhn," with the stress falling on the second syllable. The "o" is pronounced as "oh," the "s" sounds like "suh," and the final "n" is pronounced as "nuhn." The spelling of "tosteson" may appear unconventional, but with its phonetic pronunciation in mind, it becomes a straightforward word to spell and say.