http://www.faqs.org/rfcs/rfc2798.html

Class
    NAME 'inetOrgPerson'
    SUP organizationalPerson
    STRUCTURAL
    MAY (
        audio $ businessCategory $ carLicense $ departmentNumber $
        displayName $ employeeNumber $ employeeType $ givenName $
        homePhone $ homePostalAddress $ initials $ jpegPhoto $
        labeledURI $ mail $ manager $ mobile $ o $ pager $
        photo $ roomNumber $ secretary $ uid $ userCertificate $
        x500uniqueIdentifier $ preferredLanguage $
        userSMIMECertificate $ userPKCS12
    )
    MUST (
        cn $ objectClass $ sn
    )
    MAY (
        description $ destinationIndicator $ facsimileTelephoneNumber $
        internationaliSDNNumber $ l $ ou $ physicalDeliveryOfficeName $
        postalAddress $ postalCode $ postOfficeBox $
        preferredDeliveryMethod $ registeredAddress $ seeAlso $
        st $ street $ telephoneNumber $ teletexTerminalIdentifier $
        telexNumber $ title $ userPassword $ x121Address
    )

Properties (inetOrgPerson + organizationalPerson)
	businessCategory 
	carLicense 
	departmentNumber
	destinationIndicator 
	employeeNumber 
	employeeType 
	facsimileTelephoneNumber
	givenName
	homePostalAddress 
	initials 
	jpegPhoto
	l 
	mail 
	manager 
	mobile 
	o 
	objectClass 
	ou 
	pager
	physicalDeliveryOfficeName
	postOfficeBox
	postalCode 
	preferredLanguage
	registeredAddress 
	roomNumber 
	secretary 
	seeAlso
	sn
	street 
	telephoneNumber 
	teletexTerminalIdentifier
	title 
	uid 
	userCertificate
	userPKCS12
	userPassword 
	x121Address
        audio 
        cn 
        description 
        displayName 
        homePhone 
        internationaliSDNNumber 
        labeledURI 
        photo 
        postalAddress 
        preferredDeliveryMethod 
        st 
        telexNumber 
        userSMIMECertificate 
        x500uniqueIdentifier 

Sample:
   version:           1
   dn:                cn=Barbara Jensen,ou=Product Development,dc=siroe,dc=com
   objectClass:       top
   objectClass:       person
   objectClass:       organizationalPerson
   objectClass:       inetOrgPerson
   cn:                Barbara Jensen
   cn:                Babs Jensen
   displayName:       Babs Jensen
   sn:                Jensen
   givenName:         Barbara
   initials:          BJJ
   title:             manager, product development
   uid:               bjensen
   mail:              bjensen@siroe.com
   telephoneNumber:   +1 408 555 1862
   facsimileTelephoneNumber: +1 408 555 1992
   mobile:            +1 408 555 1941
   roomNumber:        0209
   carLicense:        6ABC246
   o:                 Siroe
   ou:                Product Development
   departmentNumber:  2604
   employeeNumber:    42
   employeeType:      full time
   preferredLanguage: fr, en-gb;q=0.8, en;q=0.7
   labeledURI:        http://www.siroe.com/users/bjensen My Home Page
