Tongue twisters exist in all language and are meant to challenge speakers even of that language. Look at the example of the tongue twister below. Explain why this is challenging to native and non-native speakers of English alike. In your answer, you must use the phonetic alphabet and relate to the place and manners of articulation, as relevant. Remember to use square brackets. (10)

Say: good blood, bad blood - three times, in succession, with no break in between- as quickly as you can.