Common typos: cf1111wf1111wc1111wcf111qcf1111ecf11112cf1111scf1111acf11113cf11111cf1111wxf1111wvf1111wdf1111wff1111wcd1111wcg1111wcr1111wcc1111wcv1111wct1111wcf2111wcfq111wcfw111wcf1211wcf1q11wcf1w11wcf1121wcf11q1wcf11w1wcf1112wcf111qwcf111wcwf1111wfc1111wc1f111qwcf1111wqcf1111ewcf1111wecf11112wcf1111w2cf1111swcf1111wscf1111awcf1111wacf11113wcf1111w3cf11111wcf1111w1cf1111wxcf1111wcxf1111wvcf1111wcvf1111wdcf1111wcdf1111wfcf1111wcff1111wcfd1111wcgf1111wcfg1111wcrf1111wcfr1111wccf1111wcfc1111wcfv1111wctf1111wcft1111wcf21111wcf12111wcfq1111wcf1q111wcfw1111wcf1w111wcf11211wcf11q11wcf11w11wcf11121wcf111q1wcf111w1wcf11112wcf1111qwcf1111wwwcf1111wcf11111