Baby Rachel wants to arrange 3 blocks in a row. How many different arrangements can she do

Question

Permutations and combination 

Answer 1

If each block is a cube, and each of the six faces of any block contains a distinct letter, and no letter is duplicated in any of the 18 block faces, then there can be 6 cubed arrangements such that a 'pseudoword' is spelled out by the three letters on the top  of block arranged in a a row of three.