A: DNA (5'-D(*CP*CP*GP*GP*TP*AP*(UFP)P*CP*GP*G)-3') B: DNA (5'-D(*CP*CP*GP*AP*TP*AP*CP*CP*GP*G)-3') C: DNA (5'-D(*CP*CP*GP*GP*TP*AP*(UFP)P*CP*GP*G)-3') D: DNA (5'-D(*CP*CP*GP*AP*TP*AP*CP*CP*GP*G)-3') E: DNA (5'-D(*CP*CP*GP*AP*TP*AP*CP*CP*GP*G)-3') F: DNA (5'-D(*CP*CP*GP*GP*TP*AP*(UFP)P*CP*GP*G)-3') G: DNA (5'-D(*CP*CP*GP*AP*TP*AP*CP*CP*GP*G)-3') H: DNA (5'-D(*CP*CP*GP*GP*TP*AP*(UFP)P*CP*GP*G)-3')