DIDYMO is a playable word

didymo Scrabble® Dictionary

noun
pl. didymos
a class of algae
25 Playable Words can be made from "DIDYMO"
   2-Letter Words (10 found)
   3-Letter Words (9 found)
   4-Letter Words (3 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)