Here are a few: Argh! (shock, pain, Oh No!) Awww! (it's sweet) Eek! (it's frightening) Gee! (it's surprising) Golly! (Fancy that!) Gosh! (it's impressive) Ha! (sarcastic ... not really amusing) Haha!/Hehe! (it's amusing) Phew! (it's a relief) Shucks! (Oh dear!) Tut! (disapproval) Uggh! (it's unpleasant) Yikes! (it's scary)

Here are some off the top of my head: Ah! - This generally expresses sudden excitement of some kind, either due to an urgent situation or due to understanding something suddenly Ex (Urgency - pronounced like the 'a' in 'tan') John: Ah! You're stepping on my foot! Ex (Understanding - prouncounced like the 'a' in 'far'): John: Just do it like this.. Anne: Ah! I see! - Ahhh! - When drawn out and pronounced with energy, this generally expresses fear. - Ahhh. - When drawn out and pronounced calmly, it expresses either understanding a difficult concept or refreshment (like in the Coke commercials). - Mmm. - Something tastes good! - Mhm. - Agreeing with what someone says. Depending on tone, this can be sarcastic (playfully saying you don't believe them). Ex 1 (Agreeing, flat-tone): John: Will you be there at 6? Anne: Mhm. Ex 2 (Sarcastic - rising-tone): John: I'll start my work right after this game! Anne: Mhmm, I'm sure. Uh-oh - This expresses the realization of a problem or mistake that you or someone else made. Ex: (John closes his house's door and realizes he doesn't have his keys on him) John: Uh-oh. - Huh - This expresses either interest/thought or confusion (or not hearing/requesting clarification), depending on pronunciation. Ex. (Interest) John: The human brain is mostly water. Anne: Huh! Ex. (Confusion) John: Take the square root of the negative derivative of the first value. Anne: Huh? - Uh-huh - This expresses that you are still listening to someone as they explain something or sarcastic belief Ex. (Still listening) John: Start going straight down this road, then take a right at the first light... Anne: Uh-huh John: After you see a blue house on the right, take a left Anne: Uh-huh John: We'll be the second house on the right. Ex. (Sarcastic belief - same as Mhmm) John: I'll start my work right after this game! Anne: Uh-huh, I'm sure. - Psst - Used to get someone's attention when you don't want to be too loud - Shhh - To tell someone else to be quiet - I'll add more if I think of them!