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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clue for "TGS"

TGS: Gaybraham Lincoln show on "30 Rock"; ___ with Tracy Jordan ("30 Rock" show); Geom. lines; Wire messages: Abbr.; Wires: Abbr.; 30 Rock parody of "SNL"