This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles.
If a word conforms to a special rule, I call it a Damn Dorothy Word™.
Use the following examples below to find the rule:
And, if you want to analyze, here is a CSV version:
Damn Dorothy Words™,Not Damn Dorothy Words™
AIM,PUN
FLYBY,FLAG
GOURD,JOINT
MAN,BAD
PYX,SIX
RUSK,FUME
TEE,TOY
WORK,QUIT