|  | 1. | Some tortoises have been observed to insidiously exploit this mutualistic relationship. 
 
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|  | 2. | In minutes, they are torn apart nightmarishly, insidiously. 
 
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|  | 3. | Yet as the weeks went by, Ebola insidiously eroded his authority. 
 
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|  | 4. | The problems came up insidiously, perhaps even dating to the 1970s. 
 
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|  | 5. | The result is that insidiously an emptiness grows in us. 
 
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|  | 6. | More insidiously, it has also been used as an antipersonnel weapon. 
 
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|  | 7. | As Janowski said it was because some insidiously has given him drugs. 
 
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|  | 8. | Would the vestiges of apartheid suck at him insidiously, like an undertow? 
 
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|  | 9. | Insidiously, in almost imperceptible increments, they are morphing into generic Europeans. 
 
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|  | 10. | At times, it insidiously amounts to much worse. 
 
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