go obey	go omit	go open
go obscure	go on	go oppose
go obsess	go on condition that	go orange
go obsolete	go on the contrary	go order
go obtain	go on the one hand	go ore
go obviously	go on the other hand	go others
go occupy	go on the whole	go otherwise
go of course	go one	go out of
go off	go one could also say	go over
go offshore	go one example of this is	go overall
go old	go only	go overburden
go olive	go onto	go overwhelming