Common typos: gghkffffgggkffffggghffffggghkffffgghkffffhgghkfffftgghkffffvgghkffffbgghkffffygghkffffgfghkffffghghkffffgtghkffffgvghkffffgbghkffffgyghkffffggfhkffffgghhkffffggthkffffggvhkffffggbhkffffggyhkffffgggjkffffggggkffffgggykffffgggnkffffgggbkffffgggukffffggghlffffggghjffffggghiffffggghmffffggghoffffggghkdfffggghkgfffggghkrfffggghkcfffggghkvfffggghktfffggghkfdffggghkfgffggghkfrffggghkfcffggghkfvffggghkftffggghkffdfggghkffgfggghkffrfggghkffcfggghkffvfggghkfftfggghkfffdggghkfffgggghkfffrggghkfffcggghkfffvggghkffftgghgkffffgggkhffffggghfkffffggghkffffgfgghkffffhggghkffffghgghkfffftggghkffffgtgghkffffvggghkffffgvgghkffffbggghkffffgbgghkffffyggghkffffgygghkffffggfghkffffgghghkffffggtghkffffggvghkffffggbghkffffggyghkffffgggfhkffffggghhkffffgggthkffffgggvhkffffgggbhkffffgggyhkffffgggjhkffffggghjkffffgggghkffffggghgkffffggghykffffgggnhkffffggghnkffffggghbkffffggguhkffffggghukffffggghlkffffggghklffffggghkjffffggghikffffggghkiffffggghmkffffggghkmffffggghokffffggghkoffffggghkdffffggghkfdfffggghkgffffggghkfgfffggghkrffffggghkfrfffggghkcffffggghkfcfffggghkvffffggghkfvfffggghktffffggghkftfffggghkffdffggghkffgffggghkffrffggghkffcffggghkffvffggghkfftffggghkfffdfggghkfffgfggghkfffrfggghkfffcfggghkfffvfggghkffftfggghkffffdggghkffffgggghkffffrggghkffffcggghkffffvggghkfffftggghkkffffggghkfffff