The word "Alldina" is spelled as /ɑlˈdiːnə/. In this phonetic transcription, the first sound "ɑ" represents the "a" sound in "father". The second sound "l" is pronounced as it is in English. The third sound "diː" represents a long "e" sound followed by a consonant "d". The fourth sound "nə" represents the sound of "n" followed by a schwa sound. Therefore, the spelling of the word "Alldina" is determined by the sounds it produces, and it is important to use IPA transcription to accurately represent these sounds.