Up next is O. The letter’s form has changed little from the Phoenician ’ayin, which depicts an eye. Yes, ’ayin starts with an apostrophe. The Greeks, who pioneered the concept of vowels, separated O into small and large versions (both capital letters) called Omikron and Omega.
O’s stroke freely flows and remains open in FF Mister K Informal by Julia Sysmäläinen.