Onkelos: Pronouncing Hashem’s Name

Question 1: When reading Shnayim Mikra, what is the correct way to pronounce Hashem’s name spelled with two Yuds? This question is especially applicable when the Possuk uses Shaim Elokim and Onkelos still writes it as two Yuds. For example, in the first Posuk of Bereishis the Targum writes it with two Yuds, even though it’s Elokim (though interestingly when both names of Hashem appear one after the other – like in the beginning of the second Aliya of Bereishis – he does write Elokim).

Question 2:

When you say Lishaym Yichud or the tefillah after counting sefira do you pronounce it Yud – Key – Bvav – Kay or do you do it that way but hey instead key