How many three letter words are formed using the letters of the word THREE?  Choose the correct choice from the following answers:
A) A)117
B) B)118
C) C)119
D) D)120
E) E)121
The number of letters in the given word is five.   The number of three letter words that can be formed using these four letters is 5P4   = 5 * 4 * 3*2= 
<gadget id="calculator">5 * 4 * 3*2</gadget>
<output>120</output>
120.   Answer:120
<result>D</result>
How many three letter words are formed using the letters of the word THREE?