I see...
I think the option you actually want is "not overlapping", which is a dropdown option I've yet to add everywhere in tyFlow (thanks for the reminder).
The reason it's not working in your screenshot is that "not equal" doesn't mean "not equal to any of the selected letters" but instead "not equal to the entire combination of selected letters". So for example, a group of "A" is not equal to "ABIJLO" so it'll be displayed, even though you may be expecting it to be hidden. The "not overlapping" option would be in line with your expectations ("A" is overlapping with the groups "ABILJO" and so would be hidden, in your example).
The "not overlapping" option will be added there in v1.027.
I think the option you actually want is "not overlapping", which is a dropdown option I've yet to add everywhere in tyFlow (thanks for the reminder).
The reason it's not working in your screenshot is that "not equal" doesn't mean "not equal to any of the selected letters" but instead "not equal to the entire combination of selected letters". So for example, a group of "A" is not equal to "ABIJLO" so it'll be displayed, even though you may be expecting it to be hidden. The "not overlapping" option would be in line with your expectations ("A" is overlapping with the groups "ABILJO" and so would be hidden, in your example).
The "not overlapping" option will be added there in v1.027.