Common typos: k_1982b_1982bk1982bk_982bk_182bk_192bk_198nk_1982vk_1982hk_1982gk_1982bl_1982bj_1982bi_1982bm_1982bo_1982bkp1982bk_2982bk_q982bk_w982bk_1082bk_1882bk_1o82bk_1i82bk_1992bk_1972bk_19i2bk_19u2bk_1981bk_1983bk_198wbk_198qkb_1982b_k1982bk1_982bk_9182bk_1892bk_1928nbk_1982bnk_1982vbk_1982bvk_1982hbk_1982bhk_1982gbk_1982bgk_1982blk_1982bkl_1982bjk_1982bkj_1982bik_1982bki_1982bmk_1982bkm_1982bok_1982bko_1982bkp_1982bk_p1982bk_21982bk_12982bk_q1982bk_1q982bk_w1982bk_1w982bk_10982bk_19082bk_18982bk_19882bk_1o982bk_19o82bk_1i982bk_19i82bk_19982bk_19892bk_19782bk_19872bk_198i2bk_19u82bk_198u2bk_19812bk_19821bk_19832bk_19823bk_198w2bk_1982wbk_198q2bk_1982qbbk_1982bkk_1982bk__1982bk_11982bk_19822
