TICTAC is a playable word

tictac Scrabble® Dictionary

verb
tictacked, tictacking, tictacs
to ticktock
18 Playable Words can be made from "TICTAC"
   2-Letter Words (5 found)
   3-Letter Words (7 found)
   4-Letter Words (1 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)