For shocked and surprised emoticons use mouth wide open (o, 〇, ロ), surprised eyes (O O, ⊙ ⊙) and raised hands.

Surprise kaomoji
ヽ(°〇°)ノw(°o°)wΣ(O_O)
Σ(°ロ°)(⊙_⊙)(o_O)
(O_O;)(O.O)(°ロ°) !
(o_O) !∑(O_O;)( : ౦ ‸ ౦ : )
⊙0⊙(〇o〇;)༼⁰o⁰;༽
(°o°:)(´〇`)⊙▂⊙
꒪ꄱ꒪(☉∀☉)(・□・;)
(°o°;)( ゚o゚)(⑉⊙ȏ⊙)
(#´O`)Σ(꒪ȏ꒪)(・о・)
(゚o゚)(○A○)(○o○)
( ꒪Д꒪)ノ((((;゜Д゜)))(゜◇゜)
( ̄□ ̄;)∑(O_O;)\(>o<)/
щ(゜ロ゜щ)Σ(゜ロ゜;)Σ(゜゜)
(*゚ロ゚)(ノ゚0゚)ノ~w(°o°)w
L(・o・)」(・□・;)((((;゜Д゜)))