it's so frustrating
it so frustrate
pro:per adv part
it's so frustrating .
ɪ t s WORD_BOUNDARY s oʊ WORD_BOUNDARY f ɹ ʌ s t ɹ eɪ ɾ ɪ ŋ WORD_BOUNDARY
i t ' s WORD_BOUNDARY s o WORD_BOUNDARY f r u s t r a t i n g WORD_BOUNDARY