Common typos: sa_t18ia_t18is_t18isat18isa_18isa_t8isa_t1osa_t18usa_t18ksa_t188sa_t189sa_t18jsa_t18iaa_t18ida_t18iwa_t18iza_t18ixa_t18iea_t18iss_t18isq_t18isz_t18isw_t18isapt18isa_r18isa_y18isa_518isa_g18isa_f18isa_618isa_t28isa_tq8isa_tw8isa_t19isa_t17isa_t1iisa_t1usia_t18ias_t18is_at18isat_18isa_1t8isa_t81oisa_t18iosa_t18uisa_t18iusa_t18kisa_t18iksa_t188isa_t18i8sa_t189isa_t18i9sa_t18jisa_t18ijsa_t18iasa_t18isaa_t18idsa_t18isda_t18iwsa_t18iswa_t18izsa_t18isza_t18ixsa_t18isxa_t18iesa_t18isea_t18issa_t18isas_t18isqa_t18isaq_t18isaz_t18isaw_t18isap_t18isa_pt18isa_rt18isa_tr18isa_yt18isa_ty18isa_5t18isa_t518isa_gt18isa_tg18isa_ft18isa_tf18isa_6t18isa_t618isa_t218isa_t128isa_tq18isa_t1q8isa_tw18isa_t1w8isa_t198isa_t189isa_t178isa_t187isa_t1i8isa_t18iisa_t1u8isa_t18uiisa_t18isa__t18isa_tt18isa_t118isa_t188
