Anniversary Qs

According to the principle found in paragraph 127 both permanent and prominent should be written  pr - mn - t.  But prominent is written pr-o-mn-t.  I am assuming this is just one of those things that you encounter in learning anni but wondered if there might be some reason that i missed.

Also, any thoughts on why retrial is r-e-t-r-i-l and not dis-joined r-l?  

Thanks for any insight.

(by Ryan for group greggshorthand)

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