Please teach me for redirect phrase in htaccess.?

LOur domain structure is aaa.com/"aaa"-0000. always add among center fof url. but I have change to "bbb";, i.e aaa.com/"bbb"-0000. In case of this, what is the redirect phrase in htaccess? If aaa.com/aaa-0000, aaa.com/aaa-1111, aaa.com/aaa-2222 redirect or change to aaa.com/bbb-0000,... show more LOur domain structure is aaa.com/"aaa"-0000. always add among center fof url.
but I have change to "bbb";, i.e aaa.com/"bbb"-0000.
In case of this, what is the redirect phrase in htaccess?

If aaa.com/aaa-0000, aaa.com/aaa-1111, aaa.com/aaa-2222
redirect or change to
aaa.com/bbb-0000, aaa.com/bbb-1111, aaa.com/bbb-2222

thanks
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