Common typos: pen_up_boboen_up_bobopn_up_bobope_up_bobopenup_bobopen_p_bobopen_u_bobopen_upbobopen_up_obopen_up_bbopen_up_boppen_up_bobipen_up_boblpen_up_bob9pen_up_bobkpen_up_bob0pen_up_bobooen_up_bobo0en_up_bobo_en_up_bobolen_up_bobopwn_up_boboprn_up_bobop3n_up_bobopdn_up_bobopsn_up_bobop4n_up_bobopem_up_bobopeb_up_bobopej_up_bobopeh_up_bobopenpup_bobopen_ip_bobopen_yp_bobopen_jp_bobopen_7p_bobopen_8p_bobopen_hp_bobopen_uo_bobopen_u0_bobopen_u__bobopen_ul_bobopen_uppbobopen_up_nobopen_up_vobopen_up_hobopen_up_gobopen_up_bpbopen_up_bibopen_up_blbopen_up_b9bopen_up_bkbopen_up_b0bopen_up_bonopen_up_bovopen_up_bohopen_up_bogpoen_up_boboepn_up_bobopne_up_bobope_nup_bobopenu_p_bobopen_pu_bobopen_u_pbobopen_upb_obopen_up_obbopen_up_bbopopen_up_boboppen_up_bobiopen_up_boboipen_up_boblopen_up_bobolpen_up_bob9open_up_bobo9pen_up_bobkopen_up_bobokpen_up_bob0open_up_bobo0pen_up_boboopen_up_bobopoen_up_bobop0en_up_bobo_pen_up_bobop_en_up_boboplen_up_bobopwen_up_bobopewn_up_bobopren_up_bobopern_up_bobop3en_up_bobope3n_up_bobopden_up_bobopedn_up_bobopsen_up_bobopesn_up_bobop4en_up_bobope4n_up_bobopemn_up_bobopenm_up_bobopebn_up_bobopenb_up_bobopejn_up_bobopenj_up_bobopehn_up_bobopenh_up_bobopenp_up_bobopen_pup_bobopen_iup_bobopen_uip_bobopen_yup_bobopen_uyp_bobopen_jup_bobopen_ujp_bobopen_7up_bobopen_u7p_bobopen_8up_bobopen_u8p_bobopen_hup_bobopen_uhp_bobopen_uop_bobopen_upo_bobopen_u0p_bobopen_up0_bobopen_u_p_bobopen_up__bobopen_ulp_bobopen_upl_bobopen_upp_bobopen_up_pbobopen_up_nbobopen_up_bnobopen_up_vbobopen_up_bvobopen_up_hbobopen_up_bhobopen_up_gbobopen_up_bgobopen_up_bpobopen_up_bopbopen_up_biobopen_up_boibopen_up_blobopen_up_bolbopen_up_b9obopen_up_bo9bopen_up_bkobopen_up_bokbopen_up_b0obopen_up_bo0bopen_up_bonbopen_up_bobnopen_up_bovbopen_up_bobvopen_up_bohbopen_up_bobhopen_up_bogbopen_up_bobgopeen_up_bobopenn_up_bobopen__up_bobopen_uup_bobopen_up_bbobopen_up_boobopen_up_bobb
