public void insertHashes() {
		for(Block block : blockList.values()) {
			for(int j=0;j<block.instList.length;++j) {
				InstructHash instruct = block.instList[j];
				if (instruct.isMatched) continue;
				insertInstructionNGrams(instruct);
			}
		}
	}
Insert all hashes associated with unknown (i.e not matched) blocks and instructions
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/correlate/HashStore.java