HOWDY
Pun Play: This solve was GREETING out of hand!

My Gameplay: LEAST, GROUP, BINKY, MOMMY, CHORD, HOWDY
For a word that I enjoy using, I don’t know HOWDY heck I didn’t come up with it sooner! My gameplay reads like a literal laundry list of all the letters in the alphabet — with the elusive exception of W. On to tomorrow!