The initial idioms of the letter G

go AWOL	go back
go back a long way	go back on
go back on word	go back to
go back to square one	go back to the drawing board
go back to the salt mines	go bad
go badly with	go bananas
go batshit	go batshit crazy
go before	go begging
go behind back	go belly up
go belly-up	go below
go between	go between the bark and the tree
go between the moon and the milkman	go beyond
get beyond a joke	go blank
go blooey	Go blow it out your ear!
go blue	go bonkers