Common typos: oblackoutoooolackoutoooobackoutooooblckoutooooblakoutooooblacoutooooblackutooooblackotooooblackouooooblackoutopoblackoutooioblackoutooloblackoutoo9oblackoutookoblackoutoo0oblackoutooopblackoutoooiblackoutooolblackoutooo9blackoutoookblackoutooo0blackoutoooonlackoutoooovlackoutoooohlackoutooooglackoutoooobkackoutooooboackoutoooobpackoutooooblsckoutooooblqckoutooooblzckoutooooblwckoutooooblaxkoutooooblavkoutoooobladkoutooooblafkoutooooblacloutooooblacjoutooooblacioutooooblacmoutooooblacooutooooblackputooooblackiutooooblacklutooooblack9utooooblackkutooooblack0utooooblackoitooooblackoytooooblackojtooooblacko7tooooblacko8tooooblackohtooooblackourooooblackouyooooblackou5ooooblackougooooblackoufooooblackou6ooooblackoutpoooblackoutioooblackoutloooblackout9oooblackoutkoooblackout0oooblackoutopooblackoutoiooblackoutolooblackouto9ooblackoutokooblackouto0obolackoutoooolbackoutoooobalckoutooooblcakoutooooblakcoutooooblacokutooooblackuotooooblackotuooooblackouotopooblackoutooopoblackoutooiooblackoutoooioblackoutoolooblackoutoooloblackoutoo9ooblackoutooo9oblackoutookooblackoutoookoblackoutoo0ooblackoutooo0oblackoutoooopblackoutooooiblackoutoooolblackoutoooo9blackoutooookblackoutoooo0blackoutoooonblackoutoooobnlackoutoooovblackoutoooobvlackoutoooohblackoutoooobhlackoutoooogblackoutoooobglackoutoooobklackoutooooblkackoutoooobolackoutoooobloackoutoooobplackoutooooblpackoutooooblsackoutooooblasckoutooooblqackoutooooblaqckoutooooblzackoutooooblazckoutooooblwackoutooooblawckoutooooblaxckoutooooblacxkoutooooblavckoutooooblacvkoutoooobladckoutooooblacdkoutooooblafckoutooooblacfkoutooooblaclkoutooooblackloutooooblacjkoutooooblackjoutooooblacikoutooooblackioutooooblacmkoutooooblackmoutooooblacokoutooooblackooutooooblackpoutooooblackoputooooblackoiutooooblackolutooooblack9outooooblacko9utooooblackkoutooooblackokutooooblack0outooooblacko0utooooblackouitooooblackoyutooooblackouytooooblackojutooooblackoujtooooblacko7utooooblackou7tooooblacko8utooooblackou8tooooblackohutooooblackouhtooooblackourtooooblackoutrooooblackoutyooooblackou5tooooblackout5ooooblackougtooooblackoutgooooblackouftooooblackoutfooooblackou6tooooblackout6ooooblackoutpooooblackoutopoooblackoutiooooblackoutoioooblackoutlooooblackoutoloooblackout9ooooblackouto9oooblackoutkooooblackoutokoooblackout0ooooblackouto0oooblackoutoopooblackoutooiooblackoutoolooblackoutoo9ooblackoutookooblackoutoo0oooblackoutoooobblackoutoooobllackoutooooblaackoutooooblacckoutooooblackouutooooblackouttooooblackoutooo