therefore D|EH|R|F|AO|R DH|I|R|F|AO|R D|I|R|F|AO|R DH|EH|R|P|AO|R D|EH|R|P|AO|R DH|I|R|P|AO|R D|I|R|P|AO|R DH|EH|R|F|U|R D|EH|R|F|U|R DH|I|R|F|U|R D|I|R|F|U|R DH|EH|R|P|U|R D|EH|R|P|U|R DH|I|R|P|U|R D|I|R|P|U|R