The spelling of the word "lemmon" is incorrect. The correct spelling is "lemon." In IPA phonetic transcription, "lemon" is pronounced as /ˈlɛmən/. The first syllable is stressed, indicated by the apostrophe before the "l." The "e" sound is represented by the symbol /ɛ/ and the "o" sound is represented by the symbol /ə/. The final "n" in "lemon" is pronounced very lightly, almost negligible. It is always important to check the spelling of a word before using it in any written or spoken communication.