The word "lumma" is spelled phonetically as /ˈlʌmə/. The first sound in the word is a "short u" sound, represented by the phonetic symbol /ʌ/. The second sound is a "m" sound, represented by the symbol /m/. Finally, the word ends with a "schwa" sound, represented by the symbol /ə/. Although "lumma" is not a commonly used word in English, its pronunciation is important to note for those who need to use it in specific contexts or dialects.