Common typos: ag_1998sg_1998sa_1998sag1998sag_998sag_198sag_199aag_1998dag_1998wag_1998zag_1998xag_1998eag_1998ssg_1998sqg_1998szg_1998swg_1998saf_1998sah_1998sat_1998sav_1998sab_1998say_1998sagp1998sag_2998sag_q998sag_w998sag_1098sag_1898sag_1o98sag_1i98sag_1908sag_1988sag_19o8sag_19i8sag_1999sag_1997sag_199isag_199uasg_1998sga_1998sa_g1998sag1_998sag_9198sag_1989asag_1998saag_1998dsag_1998sdag_1998wsag_1998swag_1998zsag_1998szag_1998xsag_1998sxag_1998esag_1998seag_1998ssag_1998sasg_1998sqag_1998saqg_1998sazg_1998sawg_1998safg_1998sagf_1998sahg_1998sagh_1998satg_1998sagt_1998savg_1998sagv_1998sabg_1998sagb_1998sayg_1998sagy_1998sagp_1998sag_p1998sag_21998sag_12998sag_q1998sag_1q998sag_w1998sag_1w998sag_10998sag_19098sag_18998sag_19898sag_1o998sag_19o98sag_1i998sag_19i98sag_19908sag_19988sag_199o8sag_199i8sag_19998sag_19989sag_19978sag_19987sag_1998isag_199u8sag_1998usagg_1998sag__1998sag_11998
