aeu ae heard it
I hear it
pro:sub v pro:per
aeu ae heard it .
iː uː WORD_BOUNDARY eɪ iː WORD_BOUNDARY h ɜː d WORD_BOUNDARY ɪ t WORD_BOUNDARY
a e u WORD_BOUNDARY a e WORD_BOUNDARY h e a r d WORD_BOUNDARY i t WORD_BOUNDARY