Voidwatch Part I - missing armor set?

Voidwatch part I added the Hyksos, Cuauhtli and Fazheluo armor sets, with a key feature being the skill bonusses on each set.
Hyksos has magic skills.
Cuauhtli has 1H melee and ranged skills.
Fazheluo has 2H melee skills.

But Hand-to-hand seems to be missing from Cuauhtli set. A job like RNG has all of his main combat skills covered, yet MNK or PUP none... Hyksos set is missing Singing, even though BRD is on that one.

So I'm kind of wondering what was going on there...