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

Crossword clues for Twain's jumper:

FROG: Twain's jumper
FROG: Twain's jumper of Calaveras County
FROG: Mark Twain's Calavaras County jumper.
FROG: Twain's Calaveras County jumper