segmentation: twitter iss toooooooooo pid
rank.candidate: twitter is s to ooo oooooo pid twit teri ss toooooooooo pid twitter is s to oooooo ooo pid twitter is s to oooooo ooopid twitter is s too oooooooopid twitter is st oooooooooopid twitter is s toooooooooo p id t witter is s toooooooooo pid twitter is s toooooo oooo pid t witte riss toooooooooo pid twitter is s tooooo ooooo pid twitter is s toooooooooo pid twitter i ss toooooooooo pid twitter iss toooooooooo pid twitter is st ooooo ooooo pid twitter is s to ooooooooopid twit ter is s toooooooooo pid twitter is s toooooo oooopid twitter is s toooooooooo pi d twit te riss toooooooooo pid