What you're looking for is what's called a block modification technique. Here's one called "the jump". I recently found this technique and this channel recently. This channel has other useful and interesting content. https://youtu.be/euprFuMdTis?feature=shared https://youtu.be/Qj2SNoOkipM?feature=shared https://youtu.be/w7v1z9EkdbI?feature=shared Also be sure to check out the fluency shaping technique called orchestral speech. It may prove useful for your use case. All the best.