ListItemCombos

gistfile1.txt

<cfoutput>

<cfset list = "a,b,c">

Original list: #list#<br /><br />

<cfset combos = {}>

<cfloop from="1" to="#ListLen(list)#" index="i">
  <cfset workingList = list>
  <cfset workingList = ListDeleteAt(workingList, i)>
	<cfset currentItem = ListGetAt(list, i)>
	<cfloop from="1" to="#ListLen(list)#" index="j">
		<cfif j LT ListLen(list)>
			<cfset combo = ListInsertAt(workingList, j, currentItem)>
		<cfelse>
			<cfset combo = ListAppend(workingList, currentItem)>
		</cfif>
		<cfset combo = ListChangeDelims(combo, "_", ",")>
		<cfset combos[combo] = true>
	</cfloop>
</cfloop>

<cfdump var="#combos#">

<cfabort>

abc
acb
bac
bca
cab
cba