CHEERIO is a playable word

cheerio Scrabble® Dictionary

noun
pl. cheerios
a greeting
61 Playable Words can be made from "CHEERIO"
   2-Letter Words (10 found)
   3-Letter Words (21 found)
   4-Letter Words (15 found)
   5-Letter Words (8 found)
   6-Letter Words (6 found)
   7-Letter Words (1 found)