subroutine removerepeat(nin,stringin,nout,stringout,ncounter)
      implicit none
      integer nin,nout,ncounter(nin,nin+1)
      character*100 stringin(nin),stringout(nin),term,
     &chari,charj
      character a*1
      integer i,j,k,n
      do i=1,nin
        do j=1,nin+1
          ncounter(i,j)=0
        enddo
        stringin(i)=trim(stringin(i))
      enddo
      nout=0
      do i=1,nin
        term=trim(stringin(i))
        n=len(term)
        chari=''
        do k=1,n
          a=term(k:k)
          if((ichar(a).ge.65.and.ichar(a).le.90).or.
     &(ichar(a).ge.97.and.ichar(a).le.122))then
            if(ichar(a).ge.97)a=char(ichar(a)-32)
            chari=trim(chari)//a
          endif
        enddo
        do j=1,nout
          term=trim(stringout(j))
          n=len(term)
          charj=''
          do k=1,n
            a=term(k:k)
            if((ichar(a).ge.65.and.ichar(a).le.90).or.
     &(ichar(a).ge.97.and.ichar(a).le.122))then
              if(ichar(a).ge.97)a=char(ichar(a)-32)
              charj=trim(charj)//a
            endif
          enddo
          if(trim(chari).eq.trim(charj))then
            ncounter(j,1)=ncounter(j,1)+1
            ncounter(j,i+1)=1
            goto 10
          endif
        enddo
        nout=nout+1
        stringout(nout)=trim(stringin(i))
        ncounter(nout,1)=ncounter(nout,1)+1
        ncounter(nout,i+1)=1
10      continue
      enddo
      return
      end