猜谜语.I have five ketters.my first letter is in CAT,but not in CAP.

问题描述:

猜谜语.I have five ketters.my first letter is in CAT,but not in CAP.
my second letter is in SIT,but not in SAT.
my third letter is in BAG,but not in BAT.
my fourth letter is in TOE,but not in TOY.
my last letter is in HER,but not in HEN.
what am
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tiger 老虎