Most of these 105 confused kaomoji show it one of three ways: a question mark, spiral eyes, or two eyes that do not match. Tap one and it is copied. Seventeen need only a keyboard, (?_?) and o_O included.
Read the full guide
Pick a kind of lost, then tap
Tap a tile and the face is copied. The groups go by where it shows: a question mark beside the face, question marks for eyes, spirals, mismatched eyes, then ten with no mark at all. Search reads the labels: why finds three faces, spanish finds (¿_?) and ¿(・_・)?, and who finds σ(・・?) and (/ロ°)/ 誰?.
Ten question marks and one spiral
63 faces hold a question mark, and there are ten kinds. Past the keyboard one come Fullwidth question mark, U+FF1F, Inverted question mark, U+00BF, Interrobang, U+203D, and Reversed question mark, U+2E2E. The eyes in (@_@) are Commercial at, U+0040. (꩜_꩜) uses Cham punctuation spiral, U+AA5C, the one character here named as a spiral.
Tips
Wikipedia's list gives (・・? for confusion, with the bracket left open. It is here both ways, open and shut.
Keyboard only keeps 17 faces. ?_?, @_@ and o_O are three characters each.
⁉ is Exclamation question mark, U+2049, on Unicode's emoji list. ⁈, Question exclamation mark, U+2048, is not.
Questions and answers
What does @_@ mean?
Each at sign is a spiral eye. Wikipedia's list of emoticons files (@_@) under amazed, not confused, so the spin can be a good one. It is the first of 11 faces under Spiral eyes, and searching dizzy finds 12.
How do you type a confused kaomoji on a keyboard?
Open bracket, question mark, underscore, question mark, close bracket: (?_?). For spirals use at signs, (@_@). For one raised eye mix a small o with a capital, (o_O). The Keyboard only chip shows all 17 that need nothing else.
What does o_O mean?
One small eye and one big one. Wikipedia's list of emoticons files o_O under surprised, and its kaomoji article gives it as a face with the brackets left off. It is here with and without them, beside (o_0), where the big eye is a zero.