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

Crossword clues for Chats online, for short:

IMING: Chatting online, for short
IMS: Chats online, for short
IMS: Online chats, for short
DMS: Private online chats, for short
IMS: Online chat bits, for short
IMING: Chatting online with, for short