looking at this Apple Naming Pattern, I was wondering about the last one 
tvOS
watchOS
iOS
macOS
tvOS
TV
watchOS
watch Series 1
watch Series 2
watch Nike+
watch Hermes
watch Edition
watch Series 2
watch Nike+
watch Hermes
watch Edition
iOS
iPhone #
iPhone # Plus
iPhone SE
iPad mini
iPad
iPad Pro
iPhone # Plus
iPhone SE
iPad mini
iPad
iPad Pro
macOS
macBook
macBook Air
macBook Pro
macMini
macPro
iMac
macBook Air
macBook Pro
macMini
macPro
iMac