by yourself you don't know
by yourself you do know
prep pro:refl pro:per mod v
by yourself you don't know ?
b aɪ WORD_BOUNDARY j oː ɹ s ɛ l f WORD_BOUNDARY j uː WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY
b y WORD_BOUNDARY y o u r s e l f WORD_BOUNDARY y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY