The word TAPDBAO can be difficult to spell. However, it can be easily explained using the International Phonetic Alphabet (IPA). The first letter 'T' is pronounced as a voiceless alveolar stop (t). The second letter 'A' is pronounced as a low, central vowel (æ). The third letter 'P' is pronounced as a voiceless bilabial stop (p). The fourth letter 'D' is pronounced as a voiced alveolar stop (d). The fifth letter 'B' is pronounced as a voiced bilabial plosive (b). The sixth letter 'A' is pronounced as a low, central vowel (æ). Lastly, the seventh letter 'O' is pronounced as a mid, back, rounded vowel (o).