Major is mean and bulk.

(9 letters)

 

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paramount?

Yes twyngwyn.

underwear chasm in South Australia, perhaps (7,4)

Spencer Gulf

all yours, nfs

Act strange to be exceptional.

(8 letters)

atypical…?

Sorry, not it twyngwyn.

 

Act strange to be exceptional.

(8 letters)

 

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Act strange to be exceptional.

(8 letters)

 

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