What are the different dessert pies?

There are lots of other pies you should try.

Pumpkin Pie, Apple Crumble pie, Boston cream pie, Key lime pie, Sweet potato pie, Rhubarb pie, Cherry pie, Blueberry pie, Coconut Cream pie, Strawberry pie, Blackberry pie, Mixed berry pie, Sugar Cream pie, French Silk pie, Banana toffee cream pie, Mississippi mud pie, Date cream pie, Fig pie, Chocolate cashew pie, Maple almond pie, Bourbon walnut pie, Custard cream pie, Marzipan plum pie, Tiramisu pie, Ice cream pie 

There are a huge number of pies possible. There are 61 recipes here https://www.bonappetit.com/recipes/desserts/slides... and this isn't exhaustive.

sweet potato... cherry ..blueberry ....key lime

There are many fruit pies, apple, cherry, plum and lemon meringue pie. 

There is a myriad of fruits that are used in dessert pies. Along with some canned fruits like pumpkin. 

Yes. Coconut, lemon, cherry, blueberry, raspberry, etc.

There are hundreds of pies, my favorites are chocolate pie, boysenberry  and lemon meringue.

My fave is key lime

Apple pie

Apple and mixed berry  pie

Yep, probably hundreds. My favorite is coconut (not coconut cream) pie. Too many to list here.