The spelling of the word "Lysle" is an interesting one, as it follows some irregularities in English orthography. Specifically, the "y" and "s" sounds are not always spelled with those letters in other words. In IPA phonetic transcription, the pronunciation of "Lysle" would be /ˈlaɪsl/. The "y" is pronounced as a long "i" sound, while the "s" and "l" sounds are pronounced as usual. Overall, the spelling of "Lysle" is a reflection of the quirks and complexities of English spelling.