You find the trigger words when you are doing the preview and or postview.During those 2 techniques you are definitely using your conscious mind & you are not changing your field of vision (when you are photoreading you have changed your field of vision when activating you do not change your field of vision) so the words will definitely not be blurred when you are doing preview or postview. About subvocalizing that is an indication you are going way too slow on the superread & dip. Pick up the pace go a lot faster on the superread & dip & you won't be able to subvocalize at that speed.
Photoread4me