Suggest an efficient synthesis for the following transformation:

The synthesis above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters $($without spaces or punctuation, such as "EBF"$).$ There is more than one correct solution, but provide just one answer.

A

B

EtBr

E

D

$NaN{H}_2$

G

$H_2,$ Lindlar's cat.

$H$

$RC{O}_{3}H$; $2)H_3{O}^{+}$

$RC{O}_{3}H$; $2)H_3{O}^{+}$

$H_2{O}_2,$NaOH

$H_2{O}_2,$NaOH

$R_{2}BH$

Mel

F

$H_2,Pt$

I

I