The word "break bird" can be spelled as /ˈbreɪk bɜrd/. The first syllable "break" uses the long vowel sound of "ai" /eɪ/ and ends with the voiceless velar plosive /k/. The second syllable "bird" starts with the voiced bilabial plosive /b/ and ends with the voiced alveolar plosive /d/. The stress falls on the first syllable as denoted by the apostrophe. Overall, the spelling of "break bird" follows standard English phonetic rules.