so this goes up and down
so this goes up and down .
s oʊ WORD_BOUNDARY ð ɪ s WORD_BOUNDARY ɡ oʊ z WORD_BOUNDARY ʌ p WORD_BOUNDARY æ n d WORD_BOUNDARY d aʊ n WORD_BOUNDARY
s o WORD_BOUNDARY t h i s WORD_BOUNDARY g o e s WORD_BOUNDARY u p WORD_BOUNDARY a n d WORD_BOUNDARY d o w n WORD_BOUNDARY