The spelling of the word "Sayles" can be explained using the International Phonetic Alphabet (IPA). The first sound, "s", is represented as /s/, followed by the diphthong "ay" as /eɪ/. The "l" is a liquid consonant that is pronounced as /l/, and the final sound, "s", is pronounced as /s/. Thus, the IPA transcription for "Sayles" is /seɪlz/. Correct spelling is important for effective communication, and understanding IPA can help in both spelling and pronunciation.