vas a ser bueno
i a se bueno
v prepart cop co
vas a ser bueno ?
β a s WORD_BOUNDARY a WORD_BOUNDARY s e̞ ɾ WORD_BOUNDARY β w e̞ n o̞ WORD_BOUNDARY
v a s WORD_BOUNDARY a WORD_BOUNDARY s e r WORD_BOUNDARY b u e n o WORD_BOUNDARY ? WORD_BOUNDARY