From Mimic, save the pz2 file in your Runtime, under Pose (I made a new folder there called Mimic, where I save all the Mimic files, naming them for the character & the words, like "V4_hello"). Then, back in Poser, pick the spot in the timeline where you want the lip movement to begin, go to your Runtime, Library, Pose, the Mimic folder, and click the pz2. Oh, making sure, of course, that the V4 figure is selected.

Poser Pro 2014

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Evidence of a Lost City: An animated movie and novel, in progress
Hag: A novel and live-action movie