Common typos: mma_r21ema_r21emm_r21emmar21emma_21emma_r1emma_r2wmma_r21rmma_r213mma_r21dmma_r21smma_r214mma_r21enma_r21ekma_r21ejma_r21emna_r21emka_r21emja_r21emms_r21emmq_r21emmz_r21emmw_r21emmapr21emma_e21emma_t21emma_421emma_f21emma_d21emma_521emma_r11emma_r31emma_rw1emma_rq1emma_r22emma_r2qemma_r2wmema_r21emam_r21emm_ar21emmar_21emma_2r1emma_r12wemma_r21ewmma_r21remma_r21ermma_r213emma_r21e3mma_r21demma_r21edmma_r21semma_r21esmma_r214emma_r21e4mma_r21enmma_r21emnma_r21ekmma_r21emkma_r21ejmma_r21emjma_r21emmna_r21emmka_r21emmja_r21emmsa_r21emmas_r21emmqa_r21emmaq_r21emmza_r21emmaz_r21emmwa_r21emmaw_r21emmap_r21emma_pr21emma_er21emma_re21emma_tr21emma_rt21emma_4r21emma_r421emma_fr21emma_rf21emma_dr21emma_rd21emma_5r21emma_r521emma_r121emma_r211emma_r321emma_r231emma_rw21emma_r2w1emma_rq21emma_r2q1emma_r221emma_r212emma_r21qemma_r21weemma_r21emmma_r21emmaa_r21emma__r21emma_rr21
