Answer:

This udf creates permutations from a text string. You can also choose how many letters in each permutation.

Array formula in cell A3:A26:

How to create this array formula

1. Select cell range A3:A26
2. Type above array formula in formula bar
3. Press and hold Ctrl + Shift
4. Press Enter once
5. Release all keys

VBA code

Function ListPermut(str As String, num As Integer)
'Permutations without repetition

Dim c, r, p As Long
Dim rng() As Long, temp As Long, i As Long
Dim temp1 As Long, y() As Long, d As Long
Dim tmpOut(), tmpArr() As Variant
Dim j As Integer
Dim a As Boolean
ReDim tmpArr(0)
ReDim tmpOut(0)

For j = 1 To Len(str)
    tmpArr(UBound(tmpArr)) = Mid(str, j, 1)
    ReDim Preserve tmpArr(UBound(tmpArr) + 1)
Next j

ReDim Preserve tmpArr(UBound(tmpArr) - 1)
p = WorksheetFunction.Permut(Len(str), Len(str))
ReDim rng(1 To p, 1 To Len(str))

For c = 1 To Len(str)
  rng(1, c) = c
Next c

For r = 2 To p

    For c = 1 To num
      tmpOut(UBound(tmpOut)) = tmpOut(UBound(tmpOut)) & tmpArr(rng(r - 1, c) - 1)
    Next c

    If UBound(tmpOut) <> 0 Then
        If tmpOut(UBound(tmpOut)) = tmpOut(UBound(tmpOut) - 1) Then
            tmpOut(UBound(tmpOut)) = ""
        Else
            ReDim Preserve tmpOut(UBound(tmpOut) + 1)
        End If
    Else
        ReDim Preserve tmpOut(UBound(tmpOut) + 1)
    End If

For c = Len(str) To 1 Step -1
  If rng(r - 1, c - 1) < rng(r - 1, c) Then temp = c - 1 Exit For End If Next c For c = Len(str) To 1 Step -1 rng(r, c) = rng(r - 1, c) Next c For c = Len(str) To 1 Step -1 If rng(r - 1, c) > rng(r - 1, temp) Then
  temp1 = rng(r - 1, temp)
  rng(r, temp) = rng(r - 1, c)
  rng(r, c) = temp1
  ReDim y(Len(str) - temp)
  i = 0
    For d = temp + 1 To Len(str)
        y(i) = rng(r, d)
        i = i + 1
    Next d
          i = 0
          For d = Len(str) To temp + 1 Step -1
            rng(r, d) = y(i)
            i = i + 1
          Next d
          Exit For
      End If
  Next c

If r = p Then
    For c = 1 To num
      tmpOut(UBound(tmpOut)) = tmpOut(UBound(tmpOut)) & tmpArr(rng(r, c) - 1)
    Next c
    If tmpOut(UBound(tmpOut)) = tmpOut(UBound(tmpOut) - 1) Then
        ReDim Preserve tmpOut(UBound(tmpOut) - 1)
    End If
End If

Next r

ListPermut = Application.Transpose(tmpOut)

End Function

Where to copy vba code?

Press Alt+F11

Download Excel file

Chris_ListPermut_norep.xls

---

Weekly Blog EMAIL

Email

Welcome! I am Oscar and here to help you out.

Feel free to comment and ask Excel questions.

Make sure you subscribe to my newsletter so you don't miss new blog articles.

Related articles

---

List permutations with repetition [UDF]

This blog post demonstrates a custom function (UDF) that creates permutations. Repetition is allowed. The custom function lets you specify the […]

List permutations without repetition [UDF]

This blog post describes how to create permutations, repetition is NOT allowed. Permutations are items arranged in a given order meaning […]

Return all combinations

Today I have two functions I would like to demonstrate, they calculate all possible combinations from a cell range. What […]

Permutations with and without repetition

I discussed the difference between permutations and combinations in my last post, today I want to talk about two kinds […]

List permutations with repetition and how many to choose from

Noel asks: Is there a way where i can predict all possible outcomes in excel in the below example. Total […]