# code: http://golf.shinh.org/reveal.rb?find+anagrams/tails_1646629260&nbb
# target Nibbles version: 0.25
# commenter version: 0.1.2.181

>> #(tail):[[chr]] 
    / #(foldr1):[[chr]] 
        =~ #(group by (also sorts)):[[[chr]]] 
            allLines #(;@):[[chr]] 
            ~ #(nosort):null 
            \A 
            `< #(sort):[chr] 
                A #($):[chr] 
        #\C B 
        #(implicit arg = C):[[chr]]