Tryado2

let keyparent = { 2: ["a", "b", "c"], 3: ["d", "e", "f"], 4: ["g", "h", "i"], 5: ["j", "k", "l"], 6: ["m", "n", "o"], 7: ["p", "q", "r", "s"], 8: ["t", "u", "v"], 9: ["w", "x", "y", "z"], };

function printOutput(input) { let arr = [];

if (!input) { return arr; }

if (input == 1) { return arr; }

while (input.includes("1")) { input = input.replace("1", ""); } const length = input.length;

if (length == 1) { arr.push(...keyparent[input]); } else { for (let i = 0; i < length; i = i + 2) { let temp = keyparent[input[i]]; let temp2 = keyparent[input[i + 1]]; //console.log("temp", temp); for (let j = 0; j < temp.length; j++) { // console.log("temp2", temp2);

    for (let k = 0; k < temp2.length; k++) {
      console.log(temp[j] + "" + temp2[k]);
      arr.push(temp[j] + "" + temp2[k]);
    }
  }
}

} return arr; }

console.log(printOutput("52"));