Common typos: qtdbtdbqdbqtnqtdvqtdhqtdgqtdbwtdb1tdbatdb2tdbqrdbqydbq5dbqgdbqfdbq6dbqtsbqtfbqtebqtxbqtcbqtrqbtdbtqdbqdtnbqtdbnqtdvbqtdbvqtdhbqtdbhqtdgbqtdbgqtdbwqtdbqwtdb1qtdbq1tdbaqtdbqatdb2qtdbq2tdbqrtdbqtrdbqytdbqtydbq5tdbqt5dbqgtdbqtgdbqftdbqtfdbq6tdbqt6dbqtsdbqtdsbqtdfbqtedbqtdebqtxdbqtdxbqtcdbqtdcbqtdrbbqtdbqqtdbqttdbqtdd