Shared templates for several elements

      <xsl:stylesheet
                  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                  version="2.0">
            <xsl:output  method="xml"
                        indent="yes"
                        omit-xml-declaration="yes"/>

            <xsl:template  match="/">
                  <xsl:apply-templates  select="aaa"/>
            </xsl:template>

            <xsl:template  match="aaa">
                  <xxx>
                        <xsl:apply-templates/>
                  </xxx>
            </xsl:template>

            <xsl:template  match="bbb|ccc">
                  <z1>
                        <xsl:text>(</xsl:text>
                        <xsl:value-of  select="."/>
                        <xsl:text>)</xsl:text>
                  </z1>
            </xsl:template>

            <xsl:template  match="ddd|eee">
                  <z2>
                        <xsl:text>-- </xsl:text>
                        <xsl:value-of  select="."/>
                        <xsl:text> --</xsl:text>
                  </z2>
            </xsl:template>

      </xsl:stylesheet>

      <aaa>
            <bbb>B</bbb>
            <ccc>C</ccc>
            <ddd>D</ddd>
            <eee>E</eee>
      </aaa>

      <xxx>
            <z1>(B)</z1>
            <z1>(C)</z1>
            <z2>-- D --</z2>
            <z2>-- E --</z2>
      </xxx>