HULLOOING is a playable word

hulloo Scrabble® Dictionary

verb
hullooed, hullooing, hulloos
to hallo
91 Playable Words can be made from "HULLOOING"
   2-Letter Words (14 found)
   3-Letter Words (30 found)
   6-Letter Words (6 found)
   7-Letter Words (1 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)