Common typos: s_perfec_xxxxt_perfec_xxxxtsperfec_xxxxts_erfec_xxxxts_prfec_xxxxts_pefec_xxxxts_perec_xxxxts_perfc_xxxxts_perfe_xxxxts_perfecxxxxts_perfec_xxxrs_perfec_xxxxys_perfec_xxxx5s_perfec_xxxxgs_perfec_xxxxfs_perfec_xxxx6s_perfec_xxxxta_perfec_xxxxtd_perfec_xxxxtw_perfec_xxxxtz_perfec_xxxxtx_perfec_xxxxte_perfec_xxxxtspperfec_xxxxts_oerfec_xxxxts_0erfec_xxxxts__erfec_xxxxts_lerfec_xxxxts_pwrfec_xxxxts_prrfec_xxxxts_p3rfec_xxxxts_pdrfec_xxxxts_psrfec_xxxxts_p4rfec_xxxxts_peefec_xxxxts_petfec_xxxxts_pe4fec_xxxxts_peffec_xxxxts_pedfec_xxxxts_pe5fec_xxxxts_perdec_xxxxts_pergec_xxxxts_perrec_xxxxts_percec_xxxxts_pervec_xxxxts_pertec_xxxxts_perfwc_xxxxts_perfrc_xxxxts_perf3c_xxxxts_perfdc_xxxxts_perfsc_xxxxts_perf4c_xxxxts_perfex_xxxxts_perfev_xxxxts_perfed_xxxxts_perfef_xxxxts_perfecpxxxxts_perfec_zxxxts_perfec_cxxxts_perfec_sxxxts_perfec_dxxxts_perfec_xzxxts_perfec_xcxxts_perfec_xsxxts_perfec_xdxxts_perfec_xxzxts_perfec_xxcxts_perfec_xxsxts_perfec_xxdxts_perfec_xxxzts_perfec_xxxcts_perfec_xxxsts_perfec_xxxdst_perfec_xxxxt_sperfec_xxxxtsp_erfec_xxxxts_eprfec_xxxxts_prefec_xxxxts_pefrec_xxxxts_perefc_xxxxts_perfce_xxxxts_perfe_cxxxxts_perfecx_xxxrts_perfec_xxxxtrs_perfec_xxxxyts_perfec_xxxxtys_perfec_xxxx5ts_perfec_xxxxt5s_perfec_xxxxgts_perfec_xxxxtgs_perfec_xxxxfts_perfec_xxxxtfs_perfec_xxxx6ts_perfec_xxxxt6s_perfec_xxxxtas_perfec_xxxxtsa_perfec_xxxxtds_perfec_xxxxtsd_perfec_xxxxtws_perfec_xxxxtsw_perfec_xxxxtzs_perfec_xxxxtsz_perfec_xxxxtxs_perfec_xxxxtsx_perfec_xxxxtes_perfec_xxxxtse_perfec_xxxxtsp_perfec_xxxxts_pperfec_xxxxts_operfec_xxxxts_poerfec_xxxxts_0perfec_xxxxts_p0erfec_xxxxts__perfec_xxxxts_p_erfec_xxxxts_lperfec_xxxxts_plerfec_xxxxts_pwerfec_xxxxts_pewrfec_xxxxts_prerfec_xxxxts_perrfec_xxxxts_p3erfec_xxxxts_pe3rfec_xxxxts_pderfec_xxxxts_pedrfec_xxxxts_pserfec_xxxxts_pesrfec_xxxxts_p4erfec_xxxxts_pe4rfec_xxxxts_peerfec_xxxxts_perefec_xxxxts_petrfec_xxxxts_pertfec_xxxxts_per4fec_xxxxts_pefrfec_xxxxts_perffec_xxxxts_perdfec_xxxxts_pe5rfec_xxxxts_per5fec_xxxxts_perfdec_xxxxts_pergfec_xxxxts_perfgec_xxxxts_perfrec_xxxxts_percfec_xxxxts_perfcec_xxxxts_pervfec_xxxxts_perfvec_xxxxts_perftec_xxxxts_perfwec_xxxxts_perfewc_xxxxts_perferc_xxxxts_perf3ec_xxxxts_perfe3c_xxxxts_perfedc_xxxxts_perfsec_xxxxts_perfesc_xxxxts_perf4ec_xxxxts_perfe4c_xxxxts_perfexc_xxxxts_perfecx_xxxxts_perfevc_xxxxts_perfecv_xxxxts_perfecd_xxxxts_perfefc_xxxxts_perfecf_xxxxts_perfecp_xxxxts_perfec_pxxxxts_perfec_zxxxxts_perfec_xzxxxts_perfec_cxxxxts_perfec_xcxxxts_perfec_sxxxxts_perfec_xsxxxts_perfec_dxxxxts_perfec_xdxxxts_perfec_xxzxxts_perfec_xxcxxts_perfec_xxsxxts_perfec_xxdxxts_perfec_xxxzxts_perfec_xxxcxts_perfec_xxxsxts_perfec_xxxdxts_perfec_xxxxzts_perfec_xxxxcts_perfec_xxxxsts_perfec_xxxxdtts_perfec_xxxxtss_perfec_xxxxts_perfeec_xxxxts_perfecc_xxxxts_perfec__xxxxts_perfec_xxxxx
