<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output method="text"/>

 <xsl:template match="/">
  <xsl:for-each select="abeceda/*">
   <xsl:number value="position()"/>
   <xsl:value-of select="."/> |
  </xsl:for-each>
  <xsl:for-each select="abeceda/*">
   <xsl:number count="/abeceda/*" format="I:"/>
   <xsl:value-of select="."/> |
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 </xsl:template>

</xsl:stylesheet>