Common typos: ol_pol192pl_pol192po_pol192polpol192pol_ol192pol_pl192pol_po192pol_pol92pol_pol12pol_pol19ool_pol1920ol_pol192_ol_pol192lol_pol192ppl_pol192pil_pol192pll_pol192p9l_pol192pkl_pol192p0l_pol192pok_pol192poo_pol192pop_pol192polppol192pol_ool192pol_0ol192pol__ol192pol_lol192pol_ppl192pol_pil192pol_pll192pol_p9l192pol_pkl192pol_p0l192pol_pok192pol_poo192pol_pop192pol_pol292pol_polq92pol_polw92pol_pol102pol_pol182pol_pol1o2pol_pol1i2pol_pol191pol_pol193pol_pol19wpol_pol19qopl_pol192plo_pol192po_lpol192polp_ol192pol_opl192pol_plo192pol_po1l92pol_pol912pol_pol129opol_pol192pool_pol1920pol_pol192p0ol_pol192_pol_pol192p_ol_pol192lpol_pol192plol_pol192ppol_pol192popl_pol192piol_pol192poil_pol192poll_pol192p9ol_pol192po9l_pol192pkol_pol192pokl_pol192po0l_pol192polk_pol192polo_pol192polp_pol192pol_ppol192pol_opol192pol_pool192pol_0pol192pol_p0ol192pol__pol192pol_p_ol192pol_lpol192pol_plol192pol_popl192pol_piol192pol_poil192pol_poll192pol_p9ol192pol_po9l192pol_pkol192pol_pokl192pol_po0l192pol_polk192pol_polo192pol_polp192pol_pol2192pol_pol1292pol_polq192pol_pol1q92pol_polw192pol_pol1w92pol_pol1092pol_pol1902pol_pol1892pol_pol1982pol_pol1o92pol_pol19o2pol_pol1i92pol_pol19i2pol_pol1912pol_pol1921pol_pol1932pol_pol1923pol_pol19w2pol_pol192wpol_pol19q2pol_pol192qpol_pol1192pol_pol1992pol_pol1922