The spelling of the word "Yerian" can be explained using International Phonetic Alphabet (IPA) phonetic transcription. The first sound is represented by the symbol /j/, which denotes the "y" sound. The second sound is represented by the symbol /ɛ/, representing the short "e" sound. The third sound is represented by the symbol /r/, indicating the "r" sound. The fourth and final sound is represented by the symbol /iən/, which denotes a combination of the "ee" sound and the "n" sound. Therefore, the correct phonetic spelling of "Yerian" is /jɛr.iən/.