Original sentence: British English.These varieties may, in most cases, contain several subvarieties, such as Cockney within British English and African American Vernacular English (AAVE) (aka Ebonics, spoken among some African-Americans)
Edited sentence: English English.Scottish English.These varieties may, in most cases, contain several subvarieties, such as Cockney within English English and African American Vernacular English (AAVE) (aka Ebonics, spoken among some African-Americans)