The spelling of the word "Joysel" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The word starts with the sound /dʒ/ which is followed by the vowel sound /ɔɪ/ as in "boil". The next sound is a voiceless fricative /s/ and the word ends with the sound /əl/ as in "towel". Overall, the spelling of "Joysel" accurately represents the sound of the word using the letters available in the English language.