extra words 'out' and 'up'

Hi. I am Cesar. I have want to know what do you think about these two words when it is added to some words... for example:

try out

find out

 

listen up

stand up

shut up

 

i want to know if it give some different meaning , and i want to know if the added meaning is the same for all the words where it is added or it give some specify meaning for each word

Sorry for my mistakes... I am begginer learner