is that are you sure about that
is that are you sure about that?
ɪ z WORD_BOUNDARY ð æ t WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY j uː WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY ʌ b aʊ t WORD_BOUNDARY ð æ t WORD_BOUNDARY
i s WORD_BOUNDARY t h a t WORD_BOUNDARY a r e WORD_BOUNDARY y o u WORD_BOUNDARY s u r e WORD_BOUNDARY a b o u t WORD_BOUNDARY t h a t ? WORD_BOUNDARY