Unicode decides more than 120,000 pictures, anyway, starting at now most projects and literary styles simply help a subset of this (anyway uphold is consistently creating).
It should be seen that the little substance you are seeing above is not a book style. It is beginning and end in a comparative content style, anyway exceptional character sets are used. Unicode shows various odd letter sets that can be copied and stuck into Facebook/Tumblr/Twitter, etc posts and profiles. These little substance letters all together are just several them in successive request picture sets contained in Unicode.