Common typos: ferrellderrelldfrrelldferelldferrlldferrelsferrellfferrelleferrellxferrellcferrellrferrelldderrelldgerrelldrerrelldcerrelldverrelldterrelldfwrrelldfrrrelldf3rrelldfdrrelldfsrrelldf4rrelldfeerelldfetrelldfe4relldfefrelldfedrelldfe5relldfereelldfertelldfer4elldferfelldferdelldfer5elldferrwlldferrrlldferr3lldferrdlldferrslldferr4lldferrekldferreoldferrepldferrelkdferrelodferrelpfderrelldefrrelldfrerelldfererlldferrlelsdferrelldsferrellfdferrelldfferrelledferrelldeferrellxdferrelldxferrellcdferrelldcferrellrdferrelldrferrellddferrelldfderrelldgferrelldfgerrelldfrerrelldfcerrelldvferrelldfverrelldtferrelldfterrelldfwerrelldfewrrelldferrrelldf3errelldfe3rrelldfedrrelldfserrelldfesrrelldf4errelldfe4rrelldfeerrelldfererelldfetrrelldfertrelldfer4relldfefrrelldferfrelldferdrelldfe5rrelldfer5relldferreelldferrtelldferr4elldferrfelldferrdelldferr5elldferrwelldferrewlldferrerlldferr3elldferre3lldferredlldferrselldferreslldferre4lldferreklldferrelkldferreolldferreloldferreplldferrelpldferrellkdferrellodferrellpdferrelll