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