Mouth Morphemes
Casual = hmm
Smootht = oo
Sluggish =  tongue out
Intense = ee
Long = sta sta
Explosive = bah

​Example: Vehicle 

Examples
The car just passed by. (hmm) 
My flight landed smoothly. (oo) 
It was an awkward boat ride. (tongue out) 
I had a hard time riding the bike. (ee) 
We were driving for a long time. (sta sta) 
​The two cars raced. (explosive)