The synthesis above can be performed with some combination of the reagents listed belowe. Give the necessary reagents in the correct order, as a string of letters $($without spaces or punctuationl. Be sure to consider stereochemistry and regiochemistry

A$.HBr$

$B{r}_2,CC{l}_4$

C$.B{r}_2$ light

D$.$ NaCCH

E$.$ HBr$,$ ROOR

F$.NaN{H}_2$

G$.Na,N{H}_3$

H$.C{H}_{3}C{H}_{2}Br$