The technical Hawaiian-English word 'aa', commonly the first two-letter word in a dictionary, refers to?
ʻaʻa Lava A%60a Aa lava Aa (lava) Pāhoehoe Lava flows ʻAʻa %60a%60a Types of lava Lava flow Lava blocks 'a'a 'A'ā Pahoehoe ʻAʻā Aa (lava flow) %60A%60a Aʻa ;SA;Sa Block lava 'a'ā A'a ʻaʻā Lava fountain Lavas ‘A‘a 'A'a