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

Crossword clues for Three-in-one:

DPT: Three-in-one vaccine, familiarly
TRIPLE: Three-in-one
TRIUNES: Three-in-one things
ENT: Three-in-one M.D.
TRIUNES: Three-in-one gods