'yeah', 'yup', 'naw', 'nope' etc., are also Taboo.
Then pose a question for the next person that can easily be answered with the Taboo Words; 'Yes' and 'No', so that the person can work out how to answer without them.
'Is that clear?'
'I understand.'
'Is that clear?'
'Please go over it again.'
'Is that clear?'
'As clear as mud.'
'Is that clear?'
'It jolly well is.'
'Is that clear?'
'Yes, it is.'
'Is that clear?'
'No, it is not.'
Let's get this started.
Are you pleased to be here?
Have you ever been to Iceland?
testing only

how do you like this topic?
Do you come here often?
can subrat read???