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- ;var arr = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
- var arr2 = [];
- var i, j = -1;
- var str;
- for(i = 0; i < arr.length; i++) {
- str = "";
- if(j >= 0)
- str += arr[j];
- str += arr[i];
- arr2.push(str);
- if(i === arr.length - 1) {
- j++;
- i = -1;
- }
- if(j === arr.length)
- break;
- }
- console.log(JSON.stringify(arr2));
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