Actually, only the 12* weapon in the left top square is PD EQ only. The other 3 square are listed as "recommended/showing up here", so you can perfectly go and SHAQ for the bottom right square for boss. The bottom left one will get completed if the blue weapon naturaly drop in SHAQ, it's an area drop. Which SHAQ you need for which Blue weapon, as an example (google translated swiki):
Blue Talis
Scroll down for the full list of Blue dropping by SHAQ.
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