SELFS is a playable word

self Scrabble® Dictionary

noun
pl. selves
the total, essential, or particular being of one person
verb
selfed, selfing, selfs
to inbreed
15 Playable Words can be made from "SELFS"
   2-Letter Words (4 found)
   3-Letter Words (6 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)