Pull Results with double Criteria

Column E to I is the dictionary
Column K to O are results based on what is fed on c1 and c2

When vowels are asked for 3 it should pull words with even 4 vowels , 3 is the minimum
When column c2 is left BLANK it should search against criteria c1 which is letters regardless vowels condition
I have pasted dictionary for 2oo words , it does not have letters with 2 vowels
Column c1 should not necessarily be three letters , It should allows E.G DL which is a two letter word

File attached

Those expected results i copy pasted , maybe there are more than that