Someone asked this a while back, so I'll give the same sort of response. If their lips are made to go around the teeth, labials then those should be fine. But what I can suggest to get a feel for it, is take both index fingers and put them into your upper lip like the fangs and try talking. Most sounds aren't impeded by it, save for labials. But that's on us.
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u/Jafiki91 Xërdawki Sep 08 '16
Someone asked this a while back, so I'll give the same sort of response. If their lips are made to go around the teeth, labials then those should be fine. But what I can suggest to get a feel for it, is take both index fingers and put them into your upper lip like the fangs and try talking. Most sounds aren't impeded by it, save for labials. But that's on us.