Bruh
The reaction to every single situation possible. The most versatile word in existence. Can be used to show happiness, sadness, distress, anger, fear, sleepiness, disgust, approval, disapproval, confusion.. and many more!

Please
A word used to ask somebody to do something. Its usage is necessary to sound polite. Can be repeated multiple times, with a long, drawn-out 'e' to signify when begging/imploring.