if there is three persons under employee it printing like this.

      person address1, person2 address, person3 address,

if two employee names is there it printing like this.

     person address1, person2 address,,
but I need to print like this 
if three employee names is there 

     person address1, person2 address or person3 address.
if two employee names is there like this

     person address1, person2 address.
if only one employee name is there like this 

   person address1.