The spelling of the word "HRDBAB" is quite unique and may seem difficult to figure out. However, with the use of IPA phonetic transcription, it can be broken down into its individual sounds. The word starts with the sound /h/ and is followed by the consonants /r/ and /d/. The vowel sound /a/ can be heard twice, once after the consonants /r/ and /d/ and again at the end of the word. The final consonant sound is /b/. Therefore, the IPA transcription for "HRDBAB" is /hɑrd.bæb/.