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