The spelling of the word "syen" is uncommon and may be confusing. However, the spelling can be explained through its phonetic transcription using the International Phonetic Alphabet (IPA). The word "syen" is pronounced as /saɪən/, with the "s" pronounced as /s/ and the "y" as /j/. The "e" is pronounced as an unstressed /ə/, while the "n" is pronounced as /n/. This shows the unique combination of sounds that make up the spelling of "syen."