Select where letters are not the same

Hello i need some help on how to select like this here below.

Do i need somthing like not equal or greater than ?

C.

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Ca

Car

Cars ..........................................<<< this is good

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H.

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Ho

Hom

Home........................................ <<< this is good

Home G

Home Ga

Home Garden............................<< < this is good

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And the result should be like that

C.

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Cars

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H.

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Home

Home Garden

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Thanks for any help !