Common typos: g221r221rg21rg22eg221tg2214g221fg221dg2215g221rf221rh221rt221rv221rb221ry221rg121rg321rgw21rgq21rg211rg231rg2w1rg2q1rg222rg22qrg22wgr221r2g21rg212erg221reg221trg221rtg2214rg221r4g221frg221rfg221drg221rdg2215rg221r5g221rgf221rhg221rgh221rgt221rvg221rgv221rbg221rgb221ryg221rgy221rg1221rg2121rg3221rg2321rgw221rg2w21rgq221rg2q21rg2211rg2231rg22w1rg22q1rg2221rg2212rg221qrg221wrrg221rgg221