hello
hello
hello
hello
hello
hello all
hello all
hello all
hello all
hello my friend
hello my friend
hello my friend
    
Brave Sir Robin ran
Brave Sir Robin ran
oneword two words
oneword

two words
oneword two words
oneword

two words
a b

a @@ b

a @@b c

a b@@ c

a b@@c d

a @@b@@c@@ d

a x y b