The spelling of "Alletta" is quite tricky, as it is not a commonly used word. However, the IPA phonetic transcription can shed some light on how to spell it. IPA transcription for "Alletta" is /əˈlɛtə/. This tells us that the first vowel sound is a schwa, followed by a short "e" sound. The double "t" indicates a strong emphasis on the final "t" sound, which is a voiceless dental plosive. Following these pronunciation guidelines should lead to correct spelling of the word.