Permutations&Combinations

[1] "permutations"
      [,1]    [,2]   
 [1,] "black" "black"
 [2,] "black" "blue" 
 [3,] "black" "red"  
 [4,] "blue"  "black"
 [5,] "blue"  "blue" 
 [6,] "blue"  "red"  
 [7,] "red"   "black"
 [8,] "red"   "blue" 
 [9,] "red"   "red"  
[1] "combinations"
     [,1]    [,2]   
[1,] "black" "blue" 
[2,] "black" "red"  
[3,] "blue"  "black"
[4,] "blue"  "red"  
[5,] "red"   "black"
[6,] "red"   "blue"