Common typos: yker_rrrker_rrryer_rrrykr_rrryke_rrrykerrrryker_reyker_rrtyker_rr4yker_rrfyker_rrdyker_rr5yker_rrruker_rrrtker_rrrhker_rrr6ker_rrr7ker_rrrgker_rrryler_rrryjer_rrryier_rrrymer_rrryoer_rrrykwr_rrrykrr_rrryk3r_rrrykdr_rrryksr_rrryk4r_rrrykee_rrryket_rrryke4_rrrykef_rrryked_rrryke5_rrrykerprrryker_erryker_trryker_4rryker_frryker_drryker_5rryker_reryker_rtryker_r4ryker_rfryker_rdryker_r5yrker_rrrkyer_rrryekr_rrrykre_rrryke_rrrrykerr_reryker_rrreyker_rrtryker_rrrtyker_rr4ryker_rrr4yker_rrfryker_rrrfyker_rrdryker_rrrdyker_rr5ryker_rrr5yker_rrruyker_rrryuker_rrrytker_rrrhyker_rrryhker_rrr6yker_rrry6ker_rrr7yker_rrry7ker_rrrgyker_rrrygker_rrrylker_rrrykler_rrryjker_rrrykjer_rrryiker_rrrykier_rrrymker_rrrykmer_rrryoker_rrrykoer_rrrykwer_rrrykewr_rrrykrer_rrrykerr_rrryk3er_rrryke3r_rrrykder_rrrykedr_rrrykser_rrrykesr_rrryk4er_rrryke4r_rrrykeer_rrrykere_rrryketr_rrrykert_rrryker4_rrrykefr_rrrykerf_rrrykerd_rrryke5r_rrryker5_rrrykerp_rrryker_prrryker_errryker_rerryker_trrryker_rtrryker_4rrryker_r4rryker_frrryker_rfrryker_drrryker_rdrryker_5rrryker_r5rryker_rreryker_rrtryker_rr4ryker_rrfryker_rrdryker_rr5rryker_rrryyker_rrrykker_rrryker__rrryker_rrr
