Invert/th
From xat wiki
(INVERT) - สไมลี่รูปกลับหัวลง
The Invert power allows you to invert (flip vertically) any smiley that has not been combined.
Examples: (biggrin#i) (tongue#i) (hello#i)
Examples that will not work: (biggrin#dhat#i) (xd#cry2#i)