Common typos: hg21njg21njh21njhg1njhg2njhg21khg21nhhg21nuhg21nmhg21nnhg21nihg21njjg21njgg21njyg21njng21njbg21njug21njhf21njhh21njht21njhv21njhb21njhy21njhg11njhg31njhgw1njhgq1njhg22njhg2qnjhg2wnjhg21mjhg21bjhg21jjhg21hhjg21njgh21njh2g1njhg12njhg2n1kjhg21njkhg21nhjhg21njhhg21nujhg21njuhg21nmjhg21njmhg21nnjhg21njnhg21nijhg21njihg21njjhg21njhjg21njghg21njhgg21njyhg21njhyg21njhng21njbhg21njhbg21njhug21njhfg21njhgf21njhgh21njhtg21njhgt21njhvg21njhgv21njhgb21njhgy21njhg121njhg211njhg321njhg231njhgw21njhg2w1njhgq21njhg2q1njhg221njhg212njhg21qnjhg21wnjhg21mnjhg21nmjhg21bnjhg21nbjhg21jnjhg21njjhg21hnjhg21nhjhg21nn