so they opened it
so they open it
co pro:sub v pro:per
so they opened it .
s oʊ WORD_BOUNDARY ð eɪ WORD_BOUNDARY oʊ p ə n d WORD_BOUNDARY ɪ t WORD_BOUNDARY
s o WORD_BOUNDARY t h e y WORD_BOUNDARY o p e n e d WORD_BOUNDARY i t WORD_BOUNDARY