SPIFFS is a playable word

spiff Scrabble® Dictionary

verb
spiffed, spiffing, spiffs
to make spiffy
14 Playable Words can be made from "SPIFFS"
   2-Letter Words (4 found)
   3-Letter Words (6 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)