Well here are some basic emoticons:

:) - smile

:( - sad

@:) - elvis

• ) - cyclops

$_$ - want money

>: - angry

T.T - cry

:O - surprised

:P - tease

x.x - dead

o.o - creeped out

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And here are some emoticons you only usually see asians using:

:3 - kitty lips

>:3 - mean kitty

owo - wide eye kitty

>.< - sorry tease

>3< - kitty tease

>.> - roll eyes

o3o - kissy face

>:}~ - snake tounge

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And here are some just fun faces:

<(^(oo)^)> - Pig

o(^.^)o - monkey

>:0===Q< - giraffe

t(T.Tt) - Depressed Swear

(>^.^> <(^.^< - best friends

<3 - love

<(x.o)> - WHAT?!

@)->- - rose

( i ) - mooning

._. - tiny prince face

:@ - Roar

e.e - roll eyes 2

:x - quiet

:\ - sad 2

and theres more, google it :3