Common typos: _c_c_t_ac_c_t_a__c_t_a_cc_t_a_c__t_a_c_ct_a_c_c__a_c_c_ts_c_c_t_q_c_c_t_z_c_c_t_w_c_c_t_apc_c_t_a_x_c_t_a_v_c_t_a_d_c_t_a_f_c_t_a_cpc_t_a_c_x_t_a_c_v_t_a_c_d_t_a_c_f_t_a_c_cpt_a_c_c_r_a_c_c_y_a_c_c_5_a_c_c_g_a_c_c_f_a_c_c_6_a_c_c_tp_ac_c_t_ac__c_t_a__cc_t_a_cc__t_a_c__ct_a_c_ct__a_c_c__tsa_c_c_t_as_c_c_t_qa_c_c_t_aq_c_c_t_za_c_c_t_az_c_c_t_wa_c_c_t_aw_c_c_t_ap_c_c_t_a_pc_c_t_a_xc_c_t_a_cx_c_t_a_vc_c_t_a_cv_c_t_a_dc_c_t_a_cd_c_t_a_fc_c_t_a_cf_c_t_a_cp_c_t_a_c_pc_t_a_c_xc_t_a_c_cx_t_a_c_vc_t_a_c_cv_t_a_c_dc_t_a_c_cd_t_a_c_fc_t_a_c_cf_t_a_c_cp_t_a_c_c_pt_a_c_c_rt_a_c_c_tr_a_c_c_yt_a_c_c_ty_a_c_c_5t_a_c_c_t5_a_c_c_gt_a_c_c_tg_a_c_c_ft_a_c_c_tf_a_c_c_6t_a_c_c_t6_a_c_c_tp_a_c_c_t_paa_c_c_t_a__c_c_t_a_cc_c_t_a_c__c_t_a_c_cc_t_a_c_c__t_a_c_c_tt_a_c_c_t__