Common typos: fapperxxapperxxfpperxxfaperxxfapprxxfappexxfapperzfapperxcfapperxsfapperxdfapperxxdapperxxgapperxxrapperxxcapperxxvapperxxtapperxxfspperxxfqpperxxfzpperxxfwpperxxfaoperxxfa0perxxfa_perxxfalperxxfapoerxxfap0erxxfap_erxxfaplerxxfappwrxxfapprrxxfapp3rxxfappdrxxfappsrxxfapp4rxxfappeexxfappetxxfappe4xxfappefxxfappedxxfappe5xxfapperzxfappercxfappersxfapperdfxapperxxafpperxxfpaperxxfapeprxxfapprexxfappexrzxfapperxxzfapperxcxfapperxxcfapperxsxfapperxxsfapperxdxfapperxxdfapperxxfdapperxxgfapperxxfgapperxxrfapperxxfrapperxxfcapperxxvfapperxxfvapperxxtfapperxxftapperxxfsapperxxfaspperxxfqapperxxfaqpperxxfzapperxxfazpperxxfwapperxxfawpperxxfaopperxxfapoperxxfa0pperxxfap0perxxfa_pperxxfap_perxxfalpperxxfaplperxxfappoerxxfapp0erxxfapp_erxxfapplerxxfappwerxxfappewrxxfapprerxxfapperrxxfapp3erxxfappe3rxxfappderxxfappedrxxfappserxxfappesrxxfapp4erxxfappe4rxxfappeerxxfapperexxfappetrxxfappertxxfapper4xxfappefrxxfapperfxxfapperdxxfappe5rxxfapper5xxfapperzxxfapperxzxfappercxxfapperxcxfappersxxfapperxsxfapperxdxxfapperxxffapperxxfaapperxxfappperxxfapperxx