I need help with the codes for part 3 and 4, I have attached part 1 and 2 in this picture just for help. I got it wrong many times so please think as this will be like my last chance.

Multiplexers and Decoders objective In this lab you will be expanding the concepts by incorporating multiplexers and decoders. You have previously seen a decoder implemented with your nu- meric display. In this lab you will be creating alphabet letters to then create a word on the seven segment displays. To determine what letter is positioned on each seven segment display, you will be utilizing multiplexers. Pre-Lab Complete the pre-lab on Canvas and read through the manual carefully before the start of your lab section. You should print off the submission sheet as well prior to the start of lab