There is no such six letter word with those letters.
Samuel.
The six-letter word you can form with the letters O, S, A, C, I, and F is "fiasco."
5 letters
recognizable
ASKS
letters
suites-that;s odd, six letter word, 7 letters tissue (or even tissues with the 7 letters)
S.O.S by ABBA or Rihanna
pl ayes
ideas
Carats.