Is there a way to simplify this formula?

=B8&IF(D11=1,E11,"")&IF(D12=1,E12,"")&IF(D13=1,E13,"")&IF(D14=1,E14,"")&IF(D15=1,E15,"")&IF(D16=1,E16,"")&IF(D17=1,E17,"")&IF(D18=1,E18,"")&IF(D19=1,E19,"")&IF(D20=1,E20,"")&IF(D21=1,E21,"")&IF(D24=1,E24,"")&IF(D25=1,E25,"")&IF(D26=1,E26,"")&IF(D27=1,E27,"")&IF(D28=1,E28,"")&IF(D29=1,E29,"")&IF(D29=1,E29,"")&IF(D30=1,E30,"")&IF(D31=1,E31,"")&IF(D32=1,E32,"")&IF(D33=1,E33,"")&IF(D34=1,E34,"")&IF(D35=1,E35,"")&IF(D36=1,E36,"")