I think I did
I think I do
pro:sub v pro:sub v
i think i did .
aɪ WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY aɪ WORD_BOUNDARY d ɪ d WORD_BOUNDARY
i WORD_BOUNDARY t h i n k WORD_BOUNDARY i WORD_BOUNDARY d i d WORD_BOUNDARY