Which word and letter have different (不同的) pronunciations

My name’s John Green.—What’s your______name—Green.

Oh, I’m sorry for being late.— It doesn’t matter. The film for just five minutes.

Look! The two brothers are arguing about what to do next. —Oh, well. In fact, the _____ brother’s idea is _________ the younger’s.

It makes little difference _____ we go or stay — they are all trying their best to talk to Jason and no one will notice us.