In a certain code language, 'like his attitude' is coded as 'nt yg fr' and 'his first salary' is coded as 'kt lo yg'. How is 'his' coded in the given language?

In a certain code language, ‘how was exam’ is coded as ‘xp or hg’ and ‘exam is tough’ is coded as ‘fs xp wl’. How is ‘exam’ coded in the given language?

In a certain code language, ‘tea and coffee’ is coded as ‘nm hg bv’ and ‘tea is better’ is coded as ‘mn vb hg’. How is ‘tea’ coded in the given language?