Review , and .Typing PracticeCourseTouch Typing PracticeUnitSymbolsTargetMaster Complexity with SymbolsContentk , . l k l , . , l . k l . , k . k , l k . l , l k . , k . l , . , l k l , . k . k l , . k l , . k , l k . , l k . l , k . , l . k l , k . l , l . k , l k , . k , . l . k , l , k l . l . k , k , . l Start Practice Prev: Learn , and . Next: Practice , and .